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