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, use the default rendering.
 232         if ( GetVListBoxComboPopup()->IsCurrent((size_t)item) ||
 233              (item & 1) == 0 )
 234         {
 235             wxOwnerDrawnComboBox::OnDrawBackground(dc,rect,item,flags);
 236             return;
 237         }
 238
 239         // Otherwise, draw every other background with different colour.
 240         wxColour bgCol(240,240,250);
 241         dc.SetBrush(wxBrush(bgCol));
 242         dc.SetPen(wxPen(bgCol));
 243         dc.DrawRectangle(rect);
 244     }
 245
 246     virtual wxCoord OnMeasureItem( size_t item ) const
 247     {
 248         // Simply demonstrate the ability to have variable-height items
 249         if ( item & 1 )
 250             return 36;
 251         else
 252             return 24;
 253     }
 254
 255     virtual wxCoord OnMeasureItemWidth( size_t WXUNUSED(item) ) const
 256     {
 257         return -1; // default - will be measured from text width
 258     }
 259
 260 };
 261
 262
 263 // ----------------------------------------------------------------------------
 264 // wxListView Custom popup interface
 265 // ----------------------------------------------------------------------------
 266
 267 #include <wx/listctrl.h>
 268
 269 class ListViewComboPopup : public wxListView, public wxComboPopup
 270 {
 271 public:
 272
 273     virtual void Init()
 274     {
 275         m_value = -1;
 276         m_itemHere = -1; // hot item in list
 277     }
 278
 279     virtual bool Create( wxWindow* parent )
 280     {
 281         return wxListView::Create(parent,1,
 282                                   wxPoint(0,0),wxDefaultSize,
 283                                   wxLC_LIST|wxLC_SINGLE_SEL|
 284                                   wxLC_SORT_ASCENDING|wxSIMPLE_BORDER);
 285     }
 286
 287     virtual wxWindow *GetControl() { return this; }
 288
 289     virtual void SetStringValue( const wxString& s )
 290     {
 291         int n = wxListView::FindItem(-1,s);
 292         if ( n >= 0 && n < GetItemCount() )
 293             wxListView::Select(n);
 294     }
 295
 296     virtual wxString GetStringValue() const
 297     {
 298         if ( m_value >= 0 )
 299             return wxListView::GetItemText(m_value);
 300         return wxEmptyString;
 301     }
 302
 303     //
 304     // Popup event handlers
 305     //
 306
 307     // Mouse hot-tracking
 308     void OnMouseMove(wxMouseEvent& event)
 309     {
 310         // Move selection to cursor if it is inside the popup
 311
 312         int resFlags;
 313         int itemHere = HitTest(event.GetPosition(),resFlags);
 314         if ( itemHere >= 0 )
 315         {
 316             wxListView::Select(itemHere,true);
 317             m_itemHere = itemHere;
 318         }
 319         event.Skip();
 320     }
 321
 322     // On mouse left, set the value and close the popup
 323     void OnMouseClick(wxMouseEvent& WXUNUSED(event))
 324     {
 325         m_value = m_itemHere;
 326         // TODO: Send event
 327         Dismiss();
 328     }
 329
 330     //
 331     // Utilies for item manipulation
 332     //
 333
 334     void AddSelection( const wxString& selstr )
 335     {
 336         wxListView::InsertItem(GetItemCount(),selstr);
 337     }
 338
 339 protected:
 340
 341     int             m_value; // current item index
 342     int             m_itemHere; // hot item in popup
 343
 344 private:
 345     DECLARE_EVENT_TABLE()
 346 };
 347
 348 BEGIN_EVENT_TABLE(ListViewComboPopup, wxListView)
 349     EVT_MOTION(ListViewComboPopup::OnMouseMove)
 350     // NOTE: Left down event is used instead of left up right now
 351     //       since MSW wxListCtrl doesn't seem to emit left ups
 352     //       consistently.
 353     EVT_LEFT_DOWN(ListViewComboPopup::OnMouseClick)
 354 END_EVENT_TABLE()
 355
 356
 357 // ----------------------------------------------------------------------------
 358 // wxTreeCtrl Custom popup interface
 359 // ----------------------------------------------------------------------------
 360
 361 #include <wx/treectrl.h>
 362
 363 class TreeCtrlComboPopup : public wxTreeCtrl, public wxComboPopup
 364 {
 365 public:
 366
 367     virtual void Init()
 368     {
 369     }
 370
 371     virtual bool Create( wxWindow* parent )
 372     {
 373         return wxTreeCtrl::Create(parent,1,
 374                                   wxPoint(0,0),wxDefaultSize,
 375                                   wxTR_HIDE_ROOT|wxTR_HAS_BUTTONS|
 376                                   wxTR_SINGLE|wxTR_LINES_AT_ROOT|
 377                                   wxSIMPLE_BORDER);
 378     }
 379
 380     virtual void OnShow()
 381     {
 382         // make sure selected item is visible
 383         if ( m_value.IsOk() )
 384             EnsureVisible(m_value);
 385     }
 386
 387     virtual wxSize GetAdjustedSize( int minWidth,
 388                                     int WXUNUSED(prefHeight),
 389                                     int maxHeight )
 390     {
 391         return wxSize(wxMax(300,minWidth),wxMin(250,maxHeight));
 392     }
 393
 394     virtual wxWindow *GetControl() { return this; }
 395
 396     // Needed by SetStringValue
 397     wxTreeItemId FindItemByText( wxTreeItemId parent, const wxString& text )
 398     {
 399         wxTreeItemIdValue cookie;
 400         wxTreeItemId child = GetFirstChild(parent,cookie);
 401         while ( child.IsOk() )
 402         {
 403             if ( GetItemText(child) == text )
 404             {
 405                 return child;
 406             }
 407             if ( ItemHasChildren(child) )
 408             {
 409                 wxTreeItemId found = FindItemByText(child,text);
 410                 if ( found.IsOk() )
 411                     return found;
 412             }
 413             child = GetNextChild(parent,cookie);
 414         }
 415         return wxTreeItemId();
 416     }
 417
 418     virtual void SetStringValue( const wxString& s )
 419     {
 420         wxTreeItemId root = GetRootItem();
 421         if ( !root.IsOk() )
 422             return;
 423
 424         wxTreeItemId found = FindItemByText(root,s);
 425         if ( found.IsOk() )
 426         {
 427             m_value = m_itemHere = found;
 428             wxTreeCtrl::SelectItem(found);
 429         }
 430     }
 431
 432     virtual wxString GetStringValue() const
 433     {
 434         if ( m_value.IsOk() )
 435             return wxTreeCtrl::GetItemText(m_value);
 436         return wxEmptyString;
 437     }
 438
 439     //
 440     // Popup event handlers
 441     //
 442
 443     // Mouse hot-tracking
 444     void OnMouseMove(wxMouseEvent& event)
 445     {
 446         int resFlags;
 447         wxTreeItemId itemHere = HitTest(event.GetPosition(),resFlags);
 448         if ( itemHere.IsOk() && (resFlags & wxTREE_HITTEST_ONITEMLABEL) )
 449         {
 450             wxTreeCtrl::SelectItem(itemHere,true);
 451             m_itemHere = itemHere;
 452         }
 453         event.Skip();
 454     }
 455
 456     // On mouse left, set the value and close the popup
 457     void OnMouseClick(wxMouseEvent& event)
 458     {
 459         int resFlags;
 460         wxTreeItemId itemHere = HitTest(event.GetPosition(),resFlags);
 461         if ( itemHere.IsOk() && (resFlags & wxTREE_HITTEST_ONITEMLABEL) )
 462         {
 463             m_itemHere = itemHere;
 464             m_value = itemHere;
 465             Dismiss();
 466             // TODO: Send event
 467         }
 468         event.Skip();
 469     }
 470
 471 protected:
 472
 473     wxTreeItemId        m_value; // current item index
 474     wxTreeItemId        m_itemHere; // hot item in popup
 475
 476 private:
 477     DECLARE_EVENT_TABLE()
 478 };
 479
 480 BEGIN_EVENT_TABLE(TreeCtrlComboPopup, wxTreeCtrl)
 481     EVT_MOTION(TreeCtrlComboPopup::OnMouseMove)
 482     // NOTE: Left down event is used instead of left up right now
 483     //       since MSW wxTreeCtrl doesn't seem to emit left ups
 484     //       consistently.
 485     EVT_LEFT_DOWN(TreeCtrlComboPopup::OnMouseClick)
 486 END_EVENT_TABLE()
 487
 488 // ----------------------------------------------------------------------------
 489 // wxComboCtrl with entirely custom button action (opens file dialog)
 490 // ----------------------------------------------------------------------------
 491
 492 class wxFileSelectorCombo : public wxComboCtrl
 493 {
 494 public:
 495     wxFileSelectorCombo() : wxComboCtrl() { Init(); }
 496
 497     wxFileSelectorCombo(wxWindow *parent,
 498                         wxWindowID id = wxID_ANY,
 499                         const wxString& value = wxEmptyString,
 500                         const wxPoint& pos = wxDefaultPosition,
 501                         const wxSize& size = wxDefaultSize,
 502                         long style = 0,
 503                         const wxValidator& validator = wxDefaultValidator,
 504                         const wxString& name = wxComboBoxNameStr)
 505         : wxComboCtrl()
 506     {
 507         Init();
 508         Create(parent,id,value,
 509                pos,size,
 510                // Style flag wxCC_STD_BUTTON makes the button
 511                // behave more like a standard push button.
 512                style | wxCC_STD_BUTTON,
 513                validator,name);
 514
 515         //
 516         // Prepare custom button bitmap (just '...' text)
 517         wxMemoryDC dc;
 518         wxBitmap bmp(12,16);
 519         dc.SelectObject(bmp);
 520
 521         // Draw transparent background
 522         wxColour magic(255,0,255);
 523         wxBrush magicBrush(magic);
 524         dc.SetBrush( magicBrush );
 525         dc.SetPen( *wxTRANSPARENT_PEN );
 526         dc.DrawRectangle(0,0,bmp.GetWidth(),bmp.GetHeight());
 527
 528         // Draw text
 529         wxString str = wxT("...");
 530         int w,h;
 531         dc.GetTextExtent(str, &w, &h, 0, 0);
 532         dc.DrawText(str, (bmp.GetWidth()-w)/2, (bmp.GetHeight()-h)/2);
 533
 534         dc.SelectObject( wxNullBitmap );
 535
 536         // Finalize transparency with a mask
 537         wxMask *mask = new wxMask( bmp, magic );
 538         bmp.SetMask( mask );
 539
 540         SetButtonBitmaps(bmp,true);
 541     }
 542
 543     virtual void OnButtonClick()
 544     {
 545         // Show standard wxFileDialog on button click
 546
 547         wxFileDialog dlg(this,
 548                          wxT("Choose File"),
 549                          wxEmptyString,
 550                          GetValue(),
 551                          wxT("All files (*.*)|*.*"),
 552                          wxFD_OPEN);
 553
 554         if ( dlg.ShowModal() == wxID_OK )
 555         {
 556             SetValue(dlg.GetPath());
 557         }
 558     }
 559
 560     // Implement empty DoSetPopupControl to prevent assertion failure.
 561     virtual void DoSetPopupControl(wxComboPopup* WXUNUSED(popup))
 562     {
 563     }
 564
 565 private:
 566     void Init()
 567     {
 568         // Initialize member variables here
 569     }
 570 };
 571
 572 // ----------------------------------------------------------------------------
 573 // main frame
 574 // ----------------------------------------------------------------------------
 575
 576 // frame constructor
 577 MyFrame::MyFrame(const wxString& title)
 578        : wxFrame(NULL, wxID_ANY, title)
 579 {
 580     wxBoxSizer* topSizer;
 581     wxBoxSizer* topRowSizer;
 582     wxBoxSizer* colSizer;
 583     wxBoxSizer* rowSizer;
 584
 585     // set the frame icon
 586     SetIcon(wxICON(sample));
 587
 588 #if wxUSE_MENUS
 589     // create a menu bar
 590     wxMenu *fileMenu = new wxMenu;
 591
 592     // the "About" item should be in the help menu
 593     wxMenu *helpMenu = new wxMenu;
 594     helpMenu->Append(ComboControl_About, _T("&About...\tF1"), _T("Show about dialog"));
 595
 596     fileMenu->Append(ComboControl_Compare, _T("&Compare against wxComboBox..."),
 597         _T("Show some wxOwnerDrawnComboBoxes side-by-side with native wxComboBoxes."));
 598     fileMenu->AppendSeparator();
 599     fileMenu->Append(ComboControl_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
 600
 601     // now append the freshly created menu to the menu bar...
 602     wxMenuBar *menuBar = new wxMenuBar();
 603     menuBar->Append(fileMenu, _T("&File"));
 604     menuBar->Append(helpMenu, _T("&Help"));
 605
 606     // ... and attach this menu bar to the frame
 607     SetMenuBar(menuBar);
 608 #endif // wxUSE_MENUS
 609
 610     wxPanel* panel = new wxPanel(this);
 611
 612     // Prepare log window right away since it shows EVT_TEXTs
 613     m_logWin = new wxTextCtrl( panel, 105, wxEmptyString, wxDefaultPosition,
 614                                wxSize(-1,125), wxTE_MULTILINE|wxFULL_REPAINT_ON_RESIZE );
 615     m_logWin->SetEditable(false);
 616     wxLogTextCtrl* logger = new wxLogTextCtrl( m_logWin );
 617     m_logOld = logger->SetActiveTarget( logger );
 618     logger->SetTimestamp( NULL );
 619
 620
 621     topSizer = new wxBoxSizer( wxVERTICAL );
 622
 623     topRowSizer = new wxBoxSizer( wxHORIZONTAL );
 624
 625     colSizer = new wxBoxSizer( wxVERTICAL );
 626
 627
 628     wxComboCtrl* cc;
 629     wxGenericComboControl* gcc;
 630     wxOwnerDrawnComboBox* odc;
 631
 632     // Create common strings array
 633     m_arrItems.Add( wxT("Solid") );
 634     m_arrItems.Add( wxT("Transparent") );
 635     m_arrItems.Add( wxT("Dot") );
 636     m_arrItems.Add( wxT("Long Dash") );
 637     m_arrItems.Add( wxT("Short Dash") );
 638     m_arrItems.Add( wxT("Dot Dash") );
 639     m_arrItems.Add( wxT("Backward Diagonal Hatch") );
 640     m_arrItems.Add( wxT("Cross-diagonal Hatch") );
 641     m_arrItems.Add( wxT("Forward Diagonal Hatch") );
 642     m_arrItems.Add( wxT("Cross Hatch") );
 643     m_arrItems.Add( wxT("Horizontal Hatch") );
 644     m_arrItems.Add( wxT("Vertical Hatch") );
 645
 646
 647     //
 648     // Create pen selector ODComboBox with owner-drawn items
 649     //
 650     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 651     rowSizer->Add( new wxStaticText(panel,wxID_ANY,
 652                    wxT("OwnerDrawnComboBox with owner-drawn items:")), 1,
 653                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 654     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 655
 656     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 657
 658
 659     // When defining derivative class for callbacks, we need
 660     // to use two-stage creation (or redefine the common wx
 661     // constructor).
 662     odc = new wxPenStyleComboBox();
 663     odc->Create(panel,wxID_ANY,wxEmptyString,
 664                 wxDefaultPosition, wxDefaultSize,
 665                 m_arrItems,
 666                 wxCB_READONLY //wxNO_BORDER | wxCB_READONLY
 667                );
 668
 669
 670     odc->SetSelection(0);
 671
 672     rowSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 673     rowSizer->AddStretchSpacer(1);
 674     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 675
 676
 677
 678     //
 679     // Same but with changed button position
 680     //
 681     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 682     rowSizer->Add( new wxStaticText(panel,wxID_ANY,
 683                    wxT("OwnerDrawnComboBox with owner-drawn items and button on the left:")), 1,
 684                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 685     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 686
 687     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 688
 689
 690     // When defining derivative class for callbacks, we need
 691     // to use two-stage creation (or redefine the common wx
 692     // constructor).
 693     odc = new wxPenStyleComboBox();
 694     odc->Create(panel,wxID_ANY,wxEmptyString,
 695                 wxDefaultPosition, wxDefaultSize,
 696                 m_arrItems,
 697                 wxCB_READONLY //wxNO_BORDER | wxCB_READONLY
 698                );
 699
 700
 701     odc->SetSelection(0);
 702
 703     // Use button size that is slightly smaller than the default.
 704     wxSize butSize = odc->GetButtonSize();
 705     odc->SetButtonPosition(butSize.x - 2, // button width
 706                            butSize.y - 6, // button height
 707                            wxLEFT, // side
 708                            2 // horizontal spacing
 709                           );
 710
 711     rowSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 712     rowSizer->AddStretchSpacer(1);
 713     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 714
 715
 716     //
 717     // List View wxComboCtrl
 718     //
 719
 720     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 721     rowSizer->Add( new wxStaticText(panel,wxID_ANY,wxT("List View wxComboCtrl:")), 1,
 722                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 723     rowSizer->Add( new wxStaticText(panel,wxID_ANY,wxT("Tree Ctrl wxComboControl:")), 1,
 724                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 725     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 726
 727     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 728     cc = new wxComboCtrl(panel,2,wxEmptyString,
 729                          wxDefaultPosition, wxDefaultSize);
 730
 731     cc->SetPopupMinWidth(300);
 732
 733     ListViewComboPopup* iface = new ListViewComboPopup();
 734     cc->SetPopupControl(iface);
 735
 736     int i;
 737     for ( i=0; i<100; i++ )
 738         iface->AddSelection( wxString::Format(wxT("Item %02i"),i));
 739
 740     rowSizer->Add( cc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
 741
 742
 743     //
 744     // Tree Ctrl wxComboCtrl
 745     //
 746
 747     // Note that we test that wxGenericComboControl works
 748     gcc = new wxGenericComboControl(panel,wxID_ANY,wxEmptyString,
 749                                     wxDefaultPosition, wxDefaultSize);
 750
 751     // Set popup interface right away, otherwise some of the calls
 752     // below may fail
 753     TreeCtrlComboPopup* tcPopup = new TreeCtrlComboPopup();
 754     gcc->SetPopupControl(tcPopup);
 755
 756     // Add items using wxTreeCtrl methods directly
 757     wxTreeItemId rootId = tcPopup->AddRoot(wxT("<hidden_root>"));
 758
 759     wxTreeItemId groupId;
 760
 761     for ( i=0; i<4; i++ )
 762     {
 763         groupId = tcPopup->AppendItem(rootId,
 764             wxString::Format(wxT("Branch %02i"),i));
 765
 766         int n;
 767         for ( n=0; n<25; n++ )
 768             tcPopup->AppendItem(groupId,
 769                 wxString::Format(wxT("Subitem %02i"),(i*25)+n));
 770     }
 771
 772     gcc->SetValue(wxT("Subitem 05"));
 773
 774     // Move button to left - it makes more sense for a tree ctrl
 775     gcc->SetButtonPosition(-1, // button width
 776                            -1, // button height
 777                            wxLEFT, // side
 778                            0 // horizontal spacing
 779                           );
 780
 781     rowSizer->Add( gcc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
 782
 783     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 784
 785 #if wxUSE_IMAGE
 786     wxInitAllImageHandlers();
 787
 788     //
 789     // Custom Dropbutton Bitmaps
 790     // (second one uses blank button background)
 791     //
 792     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 793     rowSizer->Add( new wxStaticText(panel,wxID_ANY,
 794                    wxT("OwnerDrawnComboBox with simple dropbutton graphics:")), 1,
 795                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 796
 797     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 798
 799     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 800
 801     odc = new wxOwnerDrawnComboBox(panel,wxID_ANY,wxEmptyString,
 802                                    wxDefaultPosition, wxDefaultSize,
 803                                    m_arrItems,
 804                                    (long)0 // wxCB_SORT // wxNO_BORDER | wxCB_READONLY
 805                                   );
 806
 807     wxOwnerDrawnComboBox* odc2;
 808     odc2 = new wxOwnerDrawnComboBox(panel,wxID_ANY,wxEmptyString,
 809                                     wxDefaultPosition, wxDefaultSize,
 810                                     m_arrItems,
 811                                     (long)0 // wxCB_SORT // wxNO_BORDER | wxCB_READONLY
 812                                    );
 813
 814     // Load images from disk
 815     wxImage imgNormal(wxT("dropbutn.png"));
 816     wxImage imgPressed(wxT("dropbutp.png"));
 817     wxImage imgHover(wxT("dropbuth.png"));
 818
 819     if ( imgNormal.Ok() && imgPressed.Ok() && imgHover.Ok() )
 820     {
 821         wxBitmap bmpNormal(imgNormal);
 822         wxBitmap bmpPressed(imgPressed);
 823         wxBitmap bmpHover(imgHover);
 824         odc->SetButtonBitmaps(bmpNormal,false,bmpPressed,bmpHover);
 825         odc2->SetButtonBitmaps(bmpNormal,true,bmpPressed,bmpHover);
 826     }
 827     else
 828         wxLogError(wxT("Dropbutton images not found"));
 829
 830     //odc2->SetButtonPosition(0, // width adjustment
 831     //                        0, // height adjustment
 832     //                        wxLEFT, // side
 833     //                        0 // horizontal spacing
 834     //                       );
 835
 836     rowSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 837     rowSizer->Add( odc2, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 838     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 839 #endif
 840
 841
 842     //
 843     // wxComboCtrl with totally custom button action (open file dialog)
 844     //
 845     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 846     rowSizer->Add( new wxStaticText(panel,wxID_ANY,
 847                         wxT("wxComboCtrl with custom button action:")), 1,
 848                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 849
 850
 851     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 852
 853     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 854     wxFileSelectorCombo* fsc;
 855
 856     fsc = new wxFileSelectorCombo(panel,wxID_ANY,wxEmptyString,
 857                                   wxDefaultPosition, wxDefaultSize,
 858                                   (long)0
 859                                  );
 860
 861     rowSizer->Add( fsc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 862     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 863
 864
 865     // Make sure GetFeatures is implemented
 866     wxComboCtrl::GetFeatures();
 867
 868
 869     topRowSizer->Add( colSizer, 1, wxALL, 2 );
 870
 871     topRowSizer->Add( m_logWin, 1, wxEXPAND|wxALL, 5 );
 872     topSizer->Add( topRowSizer, 1, wxEXPAND );
 873
 874     panel->SetSizer( topSizer );
 875     topSizer->SetSizeHints( panel );
 876
 877     SetSize(740,400);
 878     Centre();
 879 }
 880
 881 // event handlers
 882
 883 void MyFrame::OnComboBoxUpdate( wxCommandEvent& event )
 884 {
 885     // Don't show messages for the log output window (it'll crash)
 886     if ( !event.GetEventObject()->IsKindOf(CLASSINFO(wxComboCtrl)) )
 887         return;
 888
 889     if ( event.GetEventType() == wxEVT_COMMAND_COMBOBOX_SELECTED )
 890         wxLogDebug(wxT("EVT_COMBOBOX(id=%i,selection=%i)"),event.GetId(),event.GetSelection());
 891     else if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED )
 892         wxLogDebug(wxT("EVT_TEXT(id=%i,string=\"%s\")"),event.GetId(),event.GetString().c_str());
 893 }
 894
 895 void MyFrame::OnShowComparison( wxCommandEvent& WXUNUSED(event) )
 896 {
 897     //
 898     // Show some wxOwnerDrawComboBoxes for comparison
 899     //
 900
 901     wxBoxSizer* colSizer;
 902     wxBoxSizer* rowSizer;
 903     wxStaticBoxSizer* groupSizer;
 904
 905     wxComboBox* cb;
 906     wxOwnerDrawnComboBox* odc;
 907
 908     const int border = 4;
 909
 910     wxDialog* dlg = new wxDialog(this,wxID_ANY,
 911                                  wxT("Compare against wxComboBox"),
 912                                  wxDefaultPosition,wxDefaultSize,
 913                                  wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER);
 914
 915     colSizer = new wxBoxSizer( wxVERTICAL );
 916
 917     rowSizer = new wxBoxSizer(wxHORIZONTAL);
 918
 919     groupSizer = new wxStaticBoxSizer(new wxStaticBox(dlg,wxID_ANY,wxT(" wxOwnerDrawnComboBox ")),
 920                                       wxVERTICAL);
 921
 922     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Writable, sorted:")), 0,
 923                      wxALIGN_CENTER_VERTICAL|wxRIGHT|wxEXPAND, border );
 924
 925     odc = new wxOwnerDrawnComboBox(dlg,wxID_ANY,wxEmptyString,
 926                                    wxDefaultPosition, wxDefaultSize,
 927                                    m_arrItems,
 928                                    wxCB_SORT // wxNO_BORDER|wxCB_READONLY
 929                                   );
 930
 931     odc->Append(wxT("H - Appended Item")); // test sorting in append
 932
 933     odc->SetValue(wxT("Dot Dash"));
 934
 935     groupSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
 936
 937     //
 938     // Readonly ODComboBox
 939     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Read-only:")), 0,
 940                      wxALIGN_CENTER_VERTICAL|wxRIGHT, border );
 941
 942     odc = new wxOwnerDrawnComboBox(dlg,wxID_ANY,wxEmptyString,
 943                                    wxDefaultPosition, wxDefaultSize,
 944                                    m_arrItems,
 945                                    wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
 946                                   );
 947
 948     odc->SetValue(wxT("Dot Dash"));
 949     odc->SetText(wxT("Dot Dash (Testing SetText)"));
 950
 951     groupSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
 952
 953     //
 954     // Disabled ODComboBox
 955     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Disabled:")), 0,
 956                    wxALIGN_CENTER_VERTICAL|wxRIGHT, border );
 957
 958     odc = new wxOwnerDrawnComboBox(dlg,wxID_ANY,wxEmptyString,
 959                                      wxDefaultPosition, wxDefaultSize,
 960                                      m_arrItems,
 961                                      wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
 962                                      );
 963
 964     odc->SetValue(wxT("Dot Dash"));
 965     odc->Enable(false);
 966
 967     groupSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
 968
 969     rowSizer->Add( groupSizer, 1, wxEXPAND|wxALL, border );
 970
 971
 972     groupSizer = new wxStaticBoxSizer(new wxStaticBox(dlg,wxID_ANY,wxT(" wxComboBox ")),
 973                                       wxVERTICAL);
 974
 975     //
 976     // wxComboBox
 977     //
 978     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Writable, sorted:")), 0,
 979                      wxALIGN_CENTER_VERTICAL|wxRIGHT|wxEXPAND, border );
 980
 981     cb = new wxComboBox(dlg,wxID_ANY,wxEmptyString,
 982                         wxDefaultPosition, wxDefaultSize,
 983                         m_arrItems,
 984                         wxCB_SORT // wxNO_BORDER|wxCB_READONLY
 985                        );
 986
 987     cb->Append(wxT("H - Appended Item")); // test sorting in append
 988
 989     cb->SetValue(wxT("Dot Dash"));
 990
 991     groupSizer->Add( cb, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
 992
 993     //
 994     // Readonly wxComboBox
 995     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Read-only:")), 0,
 996                      wxALIGN_CENTER_VERTICAL|wxRIGHT, border );
 997
 998     cb = new wxComboBox(dlg,wxID_ANY,wxEmptyString,
 999                         wxDefaultPosition, wxDefaultSize,
1000                         m_arrItems,
1001                         wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
1002                        );
1003
1004     cb->SetValue(wxT("Dot Dash"));
1005
1006     groupSizer->Add( cb, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
1007
1008     //
1009     // Disabled wxComboBox
1010     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Disabled:")), 0,
1011                    wxALIGN_CENTER_VERTICAL|wxRIGHT, border );
1012
1013     cb = new wxComboBox(dlg,wxID_ANY,wxEmptyString,
1014                         wxDefaultPosition, wxDefaultSize,
1015                         m_arrItems,
1016                         wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
1017                        );
1018
1019     cb->SetValue(wxT("Dot Dash"));
1020     cb->Enable(false);
1021
1022     groupSizer->Add( cb, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
1023
1024     rowSizer->Add( groupSizer, 1, wxEXPAND|wxALL, border );
1025
1026     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, border );
1027
1028     dlg->SetSizer( colSizer );
1029     colSizer->SetSizeHints( dlg );
1030
1031     dlg->SetSize(60,240);
1032     dlg->Centre();
1033     dlg->ShowModal();
1034 }
1035
1036 MyFrame::~MyFrame()
1037 {
1038     delete wxLog::SetActiveTarget(m_logOld);
1039 }
1040
1041 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
1042 {
1043     // true is to force the frame to close
1044     Close(true);
1045 }
1046
1047 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
1048 {
1049     wxMessageBox(wxString::Format(
1050                     _T("Welcome to %s!\n")
1051                     _T("\n")
1052                     _T("This is the wxWidgets wxComboCtrl and wxOwnerDrawnComboBox sample\n")
1053                     _T("running under %s."),
1054                     wxVERSION_STRING,
1055                     wxGetOsDescription().c_str()
1056                  ),
1057                  _T("About wxComboCtrl sample"),
1058                  wxOK | wxICON_INFORMATION,
1059                  this);
1060 }