samples/animate/anitest.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        anitest.cpp
   3 // Purpose:     Animation sample
   4 // Author:      Julian Smart
   5 // Modified by: Francesco Montorsi
   6 // Created:     02/07/2001
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   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 #ifndef WX_PRECOMP
  28     #include "wx/wx.h"
  29 #endif
  30
  31 #ifndef __WXMSW__
  32     #include "sample.xpm"
  33 #endif
  34
  35 #include "wx/aboutdlg.h"
  36 #include "wx/artprov.h"
  37 #include "wx/colordlg.h"
  38 #include "wx/wfstream.h"
  39
  40 #include "anitest.h"
  41
  42 #if !wxUSE_ANIMATIONCTRL
  43     #error Cannot compile this sample if wxAnimationCtrl is not enabled
  44 #endif
  45
  46
  47 IMPLEMENT_APP(MyApp)
  48
  49 // ---------------------------------------------------------------------------
  50 // global variables
  51 // ---------------------------------------------------------------------------
  52
  53 // ---------------------------------------------------------------------------
  54 // event tables
  55 // ---------------------------------------------------------------------------
  56
  57 enum
  58 {
  59     ID_PLAY = 1,
  60     ID_SET_NULL_ANIMATION,
  61     ID_SET_INACTIVE_BITMAP,
  62     ID_SET_NO_AUTO_RESIZE,
  63     ID_SET_BGCOLOR
  64 };
  65
  66 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  67     EVT_MENU(ID_PLAY, MyFrame::OnPlay)
  68     EVT_MENU(ID_SET_NULL_ANIMATION, MyFrame::OnSetNullAnimation)
  69     EVT_MENU(ID_SET_INACTIVE_BITMAP, MyFrame::OnSetInactiveBitmap)
  70     EVT_MENU(ID_SET_NO_AUTO_RESIZE, MyFrame::OnSetNoAutoResize)
  71     EVT_MENU(ID_SET_BGCOLOR, MyFrame::OnSetBgColor)
  72
  73     EVT_MENU(wxID_STOP, MyFrame::OnStop)
  74     EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
  75     EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
  76 #if wxUSE_FILEDLG
  77     EVT_MENU(wxID_OPEN, MyFrame::OnOpen)
  78 #endif // wxUSE_FILEDLG
  79
  80     EVT_SIZE(MyFrame::OnSize)
  81     EVT_UPDATE_UI(wxID_ANY, MyFrame::OnUpdateUI)
  82 END_EVENT_TABLE()
  83
  84 // ===========================================================================
  85 // implementation
  86 // ===========================================================================
  87
  88 // ---------------------------------------------------------------------------
  89 // MyApp
  90 // ---------------------------------------------------------------------------
  91
  92 // Initialise this in OnInit, not statically
  93 bool MyApp::OnInit()
  94 {
  95     if ( !wxApp::OnInit() )
  96         return false;
  97
  98     // Create the main frame window
  99
 100     MyFrame* frame = new MyFrame((wxFrame *)NULL, wxID_ANY, _T("Animation Demo"),
 101                                  wxDefaultPosition, wxSize(500, 400),
 102                                  wxDEFAULT_FRAME_STYLE);
 103     frame->Show(true);
 104
 105     SetTopWindow(frame);
 106
 107     return true;
 108 }
 109
 110 // ---------------------------------------------------------------------------
 111 // MyFrame
 112 // ---------------------------------------------------------------------------
 113
 114 // Define my frame constructor
 115 MyFrame::MyFrame(wxWindow *parent,
 116                  const wxWindowID id,
 117                  const wxString& title,
 118                  const wxPoint& pos,
 119                  const wxSize& size,
 120                  const long style)
 121        : wxFrame(parent, id, title, pos, size,
 122                           style | wxNO_FULL_REPAINT_ON_RESIZE)
 123 {
 124     SetIcon(wxICON(sample));
 125
 126     // Make a menubar
 127     wxMenu *file_menu = new wxMenu;
 128
 129 #if wxUSE_FILEDLG
 130     file_menu->Append(wxID_OPEN, _T("&Open Animation...\tCtrl+O"), _T("Loads an animation"));
 131 #endif // wxUSE_FILEDLG
 132     file_menu->Append(wxID_EXIT);
 133
 134     wxMenu *play_menu = new wxMenu;
 135     play_menu->Append(ID_PLAY, _T("Play\tCtrl+P"), _T("Play the animation"));
 136     play_menu->Append(wxID_STOP, _T("Stop\tCtrl+P"), _T("Stop the animation"));
 137     play_menu->AppendSeparator();
 138     play_menu->Append(ID_SET_NULL_ANIMATION, _T("Set null animation"),
 139                       _T("Sets the empty animation in the control"));
 140     play_menu->AppendCheckItem(ID_SET_INACTIVE_BITMAP, _T("Set inactive bitmap"),
 141                                _T("Sets an inactive bitmap for the control"));
 142     play_menu->AppendCheckItem(ID_SET_NO_AUTO_RESIZE, _T("Set no autoresize"),
 143                                _T("Tells the control not to resize automatically"));
 144     play_menu->Append(ID_SET_BGCOLOR, _T("Set background colour..."),
 145                       _T("Sets the background colour of the control"));
 146
 147     wxMenu *help_menu = new wxMenu;
 148     help_menu->Append(wxID_ABOUT);
 149
 150     wxMenuBar *menu_bar = new wxMenuBar;
 151
 152     menu_bar->Append(file_menu, _T("&File"));
 153     menu_bar->Append(play_menu, _T("&Animation"));
 154     menu_bar->Append(help_menu, _T("&Help"));
 155
 156     // Associate the menu bar with this frame
 157     SetMenuBar(menu_bar);
 158
 159 #if wxUSE_STATUSBAR
 160     CreateStatusBar();
 161 #endif // wxUSE_STATUSBAR
 162
 163     // use a wxBoxSizer otherwise wxFrame will automatically
 164     // resize the m_animationCtrl to fill its client area on
 165     // user resizes
 166     wxSizer *sz = new wxBoxSizer(wxVERTICAL);
 167     sz->Add(new wxStaticText(this, wxID_ANY, wxT("wxAnimationCtrl:")),
 168             wxSizerFlags().Centre().Border());
 169
 170     m_animationCtrl = new wxAnimationCtrl(this, wxID_ANY);
 171     if (m_animationCtrl->LoadFile(wxT("throbber.gif")))
 172         m_animationCtrl->Play();
 173
 174     sz->Add(m_animationCtrl, wxSizerFlags().Centre().Border());
 175     SetSizer(sz);
 176 }
 177
 178 MyFrame::~MyFrame()
 179 {
 180 }
 181
 182 void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
 183 {
 184     if (!m_animationCtrl->Play())
 185         wxLogError(wxT("Invalid animation"));
 186 }
 187
 188 void MyFrame::OnStop(wxCommandEvent& WXUNUSED(event))
 189 {
 190     m_animationCtrl->Stop();
 191 }
 192
 193 void MyFrame::OnSetNullAnimation(wxCommandEvent& WXUNUSED(event))
 194 {
 195     m_animationCtrl->SetAnimation(wxNullAnimation);
 196 }
 197
 198 void MyFrame::OnSetInactiveBitmap(wxCommandEvent& event)
 199 {
 200     if (event.IsChecked())
 201     {
 202         // set a dummy bitmap as the inactive bitmap
 203         wxBitmap bmp = wxArtProvider::GetBitmap(wxART_MISSING_IMAGE);
 204         m_animationCtrl->SetInactiveBitmap(bmp);
 205     }
 206     else
 207         m_animationCtrl->SetInactiveBitmap(wxNullBitmap);
 208 }
 209
 210 void MyFrame::OnSetNoAutoResize(wxCommandEvent& event)
 211 {
 212     // recreate the control with the new flag if necessary
 213     long style = wxAC_DEFAULT_STYLE |
 214                     (event.IsChecked() ? wxAC_NO_AUTORESIZE : 0);
 215
 216     if (style != m_animationCtrl->GetWindowStyle())
 217     {
 218         // save status of the control before destroying it
 219         wxAnimation curr = m_animationCtrl->GetAnimation();
 220         wxBitmap inactive = m_animationCtrl->GetInactiveBitmap();
 221         wxColour bg = m_animationCtrl->GetBackgroundColour();
 222
 223         // destroy & rebuild
 224         wxAnimationCtrl *old = m_animationCtrl;
 225         m_animationCtrl = new wxAnimationCtrl(this, wxID_ANY, curr,
 226                                               wxDefaultPosition, wxDefaultSize,
 227                                               style);
 228
 229         GetSizer()->Replace(old, m_animationCtrl);
 230         delete old;
 231
 232         // load old status in new control
 233         m_animationCtrl->SetInactiveBitmap(inactive);
 234         m_animationCtrl->SetBackgroundColour(bg);
 235
 236         GetSizer()->Layout();
 237     }
 238 }
 239
 240 void MyFrame::OnSetBgColor(wxCommandEvent& WXUNUSED(event))
 241 {
 242     wxColour clr = wxGetColourFromUser(this, m_animationCtrl->GetBackgroundColour(),
 243                                        wxT("Choose the background colour"));
 244
 245     if (clr.IsOk())
 246         m_animationCtrl->SetBackgroundColour(clr);
 247 }
 248
 249 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 250 {
 251     Close();
 252 }
 253
 254 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 255 {
 256     wxAboutDialogInfo info;
 257     info.SetName(_("wxAnimationCtrl and wxAnimation sample"));
 258     info.SetDescription(_("This sample program demonstrates the usage of wxAnimationCtrl"));
 259     info.SetCopyright(_T("(C) 2006 Julian Smart"));
 260
 261     info.AddDeveloper(_T("Julian Smart"));
 262     info.AddDeveloper(_T("Guillermo Rodriguez Garcia"));
 263     info.AddDeveloper(_T("Francesco Montorsi"));
 264
 265     wxAboutBox(info);
 266 }
 267
 268 #if wxUSE_FILEDLG
 269 void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
 270 {
 271     wxFileDialog dialog(this, _T("Please choose an animation"),
 272                         wxEmptyString, wxEmptyString, wxT("*.gif;*.ani"), wxFD_OPEN);
 273     if (dialog.ShowModal() == wxID_OK)
 274     {
 275         wxString filename(dialog.GetPath());
 276
 277         // enable one of the two chunk of codes to test different parts of wxAnimation/wxAnimationCtrl
 278 #if 0
 279         if (m_animationCtrl->LoadFile(filename))
 280             m_animationCtrl->Play();
 281         else
 282             wxMessageBox(_T("Sorry, this animation is not a valid format for wxAnimation."));
 283 #else
 284     #if 0
 285         wxAnimation temp;
 286         if (!temp.LoadFile(filename))
 287         {
 288             wxLogError(wxT("Sorry, this animation is not a valid format for wxAnimation."));
 289             return;
 290         }
 291
 292         m_animationCtrl->SetAnimation(temp);
 293         m_animationCtrl->Play();
 294     #else
 295         wxFileInputStream stream(filename);
 296         if (!stream.Ok())
 297         {
 298             wxLogError(wxT("Sorry, this animation is not a valid format for wxAnimation."));
 299             return;
 300         }
 301
 302         wxAnimation temp;
 303         if (!temp.Load(stream))
 304         {
 305             wxLogError(wxT("Sorry, this animation is not a valid format for wxAnimation."));
 306             return;
 307         }
 308
 309         m_animationCtrl->SetAnimation(temp);
 310         m_animationCtrl->Play();
 311     #endif
 312 #endif
 313
 314         GetSizer()->Layout();
 315     }
 316 }
 317 #endif // wxUSE_FILEDLG
 318
 319 void MyFrame::OnUpdateUI(wxUpdateUIEvent& WXUNUSED(event) )
 320 {
 321     GetMenuBar()->FindItem(wxID_STOP)->Enable(m_animationCtrl->IsPlaying());
 322     GetMenuBar()->FindItem(ID_PLAY)->Enable(!m_animationCtrl->IsPlaying());
 323     GetMenuBar()->FindItem(ID_SET_NO_AUTO_RESIZE)->Enable(!m_animationCtrl->IsPlaying());
 324 }
 325