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, wxT("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, wxT("&Open Animation...\tCtrl+O"), wxT("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, wxT("Play\tCtrl+P"), wxT("Play the animation"));
 136     play_menu->Append(wxID_STOP, wxT("Stop\tCtrl+P"), wxT("Stop the animation"));
 137     play_menu->AppendSeparator();
 138     play_menu->Append(ID_SET_NULL_ANIMATION, wxT("Set null animation"),
 139                       wxT("Sets the empty animation in the control"));
 140     play_menu->AppendCheckItem(ID_SET_INACTIVE_BITMAP, wxT("Set inactive bitmap"),
 141                                wxT("Sets an inactive bitmap for the control"));
 142     play_menu->AppendCheckItem(ID_SET_NO_AUTO_RESIZE, wxT("Set no autoresize"),
 143                                wxT("Tells the control not to resize automatically"));
 144     play_menu->Append(ID_SET_BGCOLOR, wxT("Set background colour..."),
 145                       wxT("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, wxT("&File"));
 153     menu_bar->Append(play_menu, wxT("&Animation"));
 154     menu_bar->Append(help_menu, wxT("&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     {
 186         wxLogError(wxT("Invalid animation"));
 187     }
 188 }
 189
 190 void MyFrame::OnStop(wxCommandEvent& WXUNUSED(event))
 191 {
 192     m_animationCtrl->Stop();
 193 }
 194
 195 void MyFrame::OnSetNullAnimation(wxCommandEvent& WXUNUSED(event))
 196 {
 197     m_animationCtrl->SetAnimation(wxNullAnimation);
 198 }
 199
 200 void MyFrame::OnSetInactiveBitmap(wxCommandEvent& event)
 201 {
 202     if (event.IsChecked())
 203     {
 204         // set a dummy bitmap as the inactive bitmap
 205         wxBitmap bmp = wxArtProvider::GetBitmap(wxART_MISSING_IMAGE);
 206         m_animationCtrl->SetInactiveBitmap(bmp);
 207     }
 208     else
 209         m_animationCtrl->SetInactiveBitmap(wxNullBitmap);
 210 }
 211
 212 void MyFrame::OnSetNoAutoResize(wxCommandEvent& event)
 213 {
 214     // recreate the control with the new flag if necessary
 215     long style = wxAC_DEFAULT_STYLE |
 216                     (event.IsChecked() ? wxAC_NO_AUTORESIZE : 0);
 217
 218     if (style != m_animationCtrl->GetWindowStyle())
 219     {
 220         // save status of the control before destroying it
 221         wxAnimation curr = m_animationCtrl->GetAnimation();
 222         wxBitmap inactive = m_animationCtrl->GetInactiveBitmap();
 223         wxColour bg = m_animationCtrl->GetBackgroundColour();
 224
 225         // destroy & rebuild
 226         wxAnimationCtrl *old = m_animationCtrl;
 227         m_animationCtrl = new wxAnimationCtrl(this, wxID_ANY, curr,
 228                                               wxDefaultPosition, wxDefaultSize,
 229                                               style);
 230
 231         GetSizer()->Replace(old, m_animationCtrl);
 232         delete old;
 233
 234         // load old status in new control
 235         m_animationCtrl->SetInactiveBitmap(inactive);
 236         m_animationCtrl->SetBackgroundColour(bg);
 237
 238         GetSizer()->Layout();
 239     }
 240 }
 241
 242 void MyFrame::OnSetBgColor(wxCommandEvent& WXUNUSED(event))
 243 {
 244     wxColour clr = wxGetColourFromUser(this, m_animationCtrl->GetBackgroundColour(),
 245                                        wxT("Choose the background colour"));
 246
 247     if (clr.IsOk())
 248         m_animationCtrl->SetBackgroundColour(clr);
 249 }
 250
 251 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 252 {
 253     Close();
 254 }
 255
 256 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 257 {
 258     wxAboutDialogInfo info;
 259     info.SetName(_("wxAnimationCtrl and wxAnimation sample"));
 260     info.SetDescription(_("This sample program demonstrates the usage of wxAnimationCtrl"));
 261     info.SetCopyright(wxT("(C) 2006 Julian Smart"));
 262
 263     info.AddDeveloper(wxT("Julian Smart"));
 264     info.AddDeveloper(wxT("Guillermo Rodriguez Garcia"));
 265     info.AddDeveloper(wxT("Francesco Montorsi"));
 266
 267     wxAboutBox(info);
 268 }
 269
 270 #if wxUSE_FILEDLG
 271 void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
 272 {
 273     wxFileDialog dialog(this, wxT("Please choose an animation"),
 274                         wxEmptyString, wxEmptyString, wxT("*.gif;*.ani"), wxFD_OPEN);
 275     if (dialog.ShowModal() == wxID_OK)
 276     {
 277         wxString filename(dialog.GetPath());
 278
 279         // enable one of the two chunk of codes to test different parts of wxAnimation/wxAnimationCtrl
 280 #if 0
 281         if (m_animationCtrl->LoadFile(filename))
 282             m_animationCtrl->Play();
 283         else
 284             wxMessageBox(wxT("Sorry, this animation is not a valid format for wxAnimation."));
 285 #else
 286     #if 0
 287         wxAnimation temp;
 288         if (!temp.LoadFile(filename))
 289         {
 290             wxLogError(wxT("Sorry, this animation is not a valid format for wxAnimation."));
 291             return;
 292         }
 293
 294         m_animationCtrl->SetAnimation(temp);
 295         m_animationCtrl->Play();
 296     #else
 297         wxFileInputStream stream(filename);
 298         if (!stream.Ok())
 299         {
 300             wxLogError(wxT("Sorry, this animation is not a valid format for wxAnimation."));
 301             return;
 302         }
 303
 304         wxAnimation temp;
 305         if (!temp.Load(stream))
 306         {
 307             wxLogError(wxT("Sorry, this animation is not a valid format for wxAnimation."));
 308             return;
 309         }
 310
 311         m_animationCtrl->SetAnimation(temp);
 312         m_animationCtrl->Play();
 313     #endif
 314 #endif
 315
 316         GetSizer()->Layout();
 317     }
 318 }
 319 #endif // wxUSE_FILEDLG
 320
 321 void MyFrame::OnUpdateUI(wxUpdateUIEvent& WXUNUSED(event) )
 322 {
 323     GetMenuBar()->FindItem(wxID_STOP)->Enable(m_animationCtrl->IsPlaying());
 324     GetMenuBar()->FindItem(ID_PLAY)->Enable(!m_animationCtrl->IsPlaying());
 325     GetMenuBar()->FindItem(ID_SET_NO_AUTO_RESIZE)->Enable(!m_animationCtrl->IsPlaying());
 326 }
 327