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 // Copyright:   (c) Julian Smart
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ===========================================================================
  12 // declarations
  13 // ===========================================================================
  14
  15 // ---------------------------------------------------------------------------
  16 // headers
  17 // ---------------------------------------------------------------------------
  18
  19 // For compilers that support precompilation, includes "wx/wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #ifndef WX_PRECOMP
  27     #include "wx/wx.h"
  28 #endif
  29
  30 #ifndef wxHAS_IMAGES_IN_RESOURCES
  31     #include "../sample.xpm"
  32 #endif
  33
  34 #include "wx/aboutdlg.h"
  35 #include "wx/artprov.h"
  36 #include "wx/colordlg.h"
  37 #include "wx/wfstream.h"
  38
  39 #include "anitest.h"
  40
  41 #if !wxUSE_ANIMATIONCTRL
  42     #error Cannot compile this sample if wxAnimationCtrl is not enabled
  43 #endif
  44
  45
  46 IMPLEMENT_APP(MyApp)
  47
  48 // ---------------------------------------------------------------------------
  49 // global variables
  50 // ---------------------------------------------------------------------------
  51
  52 // ---------------------------------------------------------------------------
  53 // event tables
  54 // ---------------------------------------------------------------------------
  55
  56 enum
  57 {
  58     ID_PLAY = 1,
  59     ID_SET_NULL_ANIMATION,
  60     ID_SET_INACTIVE_BITMAP,
  61     ID_SET_NO_AUTO_RESIZE,
  62     ID_SET_BGCOLOR
  63 };
  64
  65 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  66     EVT_MENU(ID_PLAY, MyFrame::OnPlay)
  67     EVT_MENU(ID_SET_NULL_ANIMATION, MyFrame::OnSetNullAnimation)
  68     EVT_MENU(ID_SET_INACTIVE_BITMAP, MyFrame::OnSetInactiveBitmap)
  69     EVT_MENU(ID_SET_NO_AUTO_RESIZE, MyFrame::OnSetNoAutoResize)
  70     EVT_MENU(ID_SET_BGCOLOR, MyFrame::OnSetBgColor)
  71
  72     EVT_MENU(wxID_STOP, MyFrame::OnStop)
  73     EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
  74     EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
  75 #if wxUSE_FILEDLG
  76     EVT_MENU(wxID_OPEN, MyFrame::OnOpen)
  77 #endif // wxUSE_FILEDLG
  78
  79     EVT_SIZE(MyFrame::OnSize)
  80     EVT_UPDATE_UI(wxID_ANY, MyFrame::OnUpdateUI)
  81 END_EVENT_TABLE()
  82
  83 // ===========================================================================
  84 // implementation
  85 // ===========================================================================
  86
  87 // ---------------------------------------------------------------------------
  88 // MyApp
  89 // ---------------------------------------------------------------------------
  90
  91 // Initialise this in OnInit, not statically
  92 bool MyApp::OnInit()
  93 {
  94     if ( !wxApp::OnInit() )
  95         return false;
  96
  97     // Create the main frame window
  98
  99     MyFrame* frame = new MyFrame((wxFrame *)NULL, wxID_ANY, wxT("Animation Demo"),
 100                                  wxDefaultPosition, wxSize(500, 400),
 101                                  wxDEFAULT_FRAME_STYLE);
 102     frame->Show(true);
 103
 104     return true;
 105 }
 106
 107 // ---------------------------------------------------------------------------
 108 // MyFrame
 109 // ---------------------------------------------------------------------------
 110
 111 // Define my frame constructor
 112 MyFrame::MyFrame(wxWindow *parent,
 113                  const wxWindowID id,
 114                  const wxString& title,
 115                  const wxPoint& pos,
 116                  const wxSize& size,
 117                  const long style)
 118        : wxFrame(parent, id, title, pos, size,
 119                           style | wxNO_FULL_REPAINT_ON_RESIZE)
 120 {
 121     SetIcon(wxICON(sample));
 122
 123     // Make a menubar
 124     wxMenu *file_menu = new wxMenu;
 125
 126 #if wxUSE_FILEDLG
 127     file_menu->Append(wxID_OPEN, wxT("&Open Animation...\tCtrl+O"), wxT("Loads an animation"));
 128 #endif // wxUSE_FILEDLG
 129     file_menu->Append(wxID_EXIT);
 130
 131     wxMenu *play_menu = new wxMenu;
 132     play_menu->Append(ID_PLAY, wxT("Play\tCtrl+P"), wxT("Play the animation"));
 133     play_menu->Append(wxID_STOP, wxT("Stop\tCtrl+S"), wxT("Stop the animation"));
 134     play_menu->AppendSeparator();
 135     play_menu->Append(ID_SET_NULL_ANIMATION, wxT("Set null animation"),
 136                       wxT("Sets the empty animation in the control"));
 137     play_menu->AppendCheckItem(ID_SET_INACTIVE_BITMAP, wxT("Set inactive bitmap"),
 138                                wxT("Sets an inactive bitmap for the control"));
 139     play_menu->AppendCheckItem(ID_SET_NO_AUTO_RESIZE, wxT("Set no autoresize"),
 140                                wxT("Tells the control not to resize automatically"));
 141     play_menu->Append(ID_SET_BGCOLOR, wxT("Set background colour..."),
 142                       wxT("Sets the background colour of the control"));
 143
 144     wxMenu *help_menu = new wxMenu;
 145     help_menu->Append(wxID_ABOUT);
 146
 147     wxMenuBar *menu_bar = new wxMenuBar;
 148
 149     menu_bar->Append(file_menu, wxT("&File"));
 150     menu_bar->Append(play_menu, wxT("&Animation"));
 151     menu_bar->Append(help_menu, wxT("&Help"));
 152
 153     // Associate the menu bar with this frame
 154     SetMenuBar(menu_bar);
 155
 156 #if wxUSE_STATUSBAR
 157     CreateStatusBar();
 158 #endif // wxUSE_STATUSBAR
 159
 160     // use a wxBoxSizer otherwise wxFrame will automatically
 161     // resize the m_animationCtrl to fill its client area on
 162     // user resizes
 163     wxSizer *sz = new wxBoxSizer(wxVERTICAL);
 164     sz->Add(new wxStaticText(this, wxID_ANY, wxT("wxAnimationCtrl:")),
 165             wxSizerFlags().Centre().Border());
 166
 167     m_animationCtrl = new wxAnimationCtrl(this, wxID_ANY);
 168     if (m_animationCtrl->LoadFile(wxT("throbber.gif")))
 169         m_animationCtrl->Play();
 170
 171     sz->Add(m_animationCtrl, wxSizerFlags().Centre().Border());
 172     SetSizer(sz);
 173 }
 174
 175 MyFrame::~MyFrame()
 176 {
 177 }
 178
 179 void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
 180 {
 181     if (!m_animationCtrl->Play())
 182     {
 183         wxLogError(wxT("Invalid animation"));
 184     }
 185 }
 186
 187 void MyFrame::OnStop(wxCommandEvent& WXUNUSED(event))
 188 {
 189     m_animationCtrl->Stop();
 190 }
 191
 192 void MyFrame::OnSetNullAnimation(wxCommandEvent& WXUNUSED(event))
 193 {
 194     m_animationCtrl->SetAnimation(wxNullAnimation);
 195 }
 196
 197 void MyFrame::OnSetInactiveBitmap(wxCommandEvent& event)
 198 {
 199     if (event.IsChecked())
 200     {
 201         // set a dummy bitmap as the inactive bitmap
 202         wxBitmap bmp = wxArtProvider::GetBitmap(wxART_MISSING_IMAGE);
 203         m_animationCtrl->SetInactiveBitmap(bmp);
 204     }
 205     else
 206         m_animationCtrl->SetInactiveBitmap(wxNullBitmap);
 207 }
 208
 209 void MyFrame::OnSetNoAutoResize(wxCommandEvent& event)
 210 {
 211     // recreate the control with the new flag if necessary
 212     long style = wxAC_DEFAULT_STYLE |
 213                     (event.IsChecked() ? wxAC_NO_AUTORESIZE : 0);
 214
 215     if (style != m_animationCtrl->GetWindowStyle())
 216     {
 217         // save status of the control before destroying it
 218         wxAnimation curr = m_animationCtrl->GetAnimation();
 219         wxBitmap inactive = m_animationCtrl->GetInactiveBitmap();
 220         wxColour bg = m_animationCtrl->GetBackgroundColour();
 221
 222         // destroy & rebuild
 223         wxAnimationCtrl *old = m_animationCtrl;
 224         m_animationCtrl = new wxAnimationCtrl(this, wxID_ANY, curr,
 225                                               wxDefaultPosition, wxDefaultSize,
 226                                               style);
 227
 228         GetSizer()->Replace(old, m_animationCtrl);
 229         delete old;
 230
 231         // load old status in new control
 232         m_animationCtrl->SetInactiveBitmap(inactive);
 233         m_animationCtrl->SetBackgroundColour(bg);
 234
 235         GetSizer()->Layout();
 236     }
 237 }
 238
 239 void MyFrame::OnSetBgColor(wxCommandEvent& WXUNUSED(event))
 240 {
 241     wxColour clr = wxGetColourFromUser(this, m_animationCtrl->GetBackgroundColour(),
 242                                        wxT("Choose the background colour"));
 243
 244     if (clr.IsOk())
 245         m_animationCtrl->SetBackgroundColour(clr);
 246 }
 247
 248 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 249 {
 250     Close();
 251 }
 252
 253 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 254 {
 255     wxAboutDialogInfo info;
 256     info.SetName(_("wxAnimationCtrl and wxAnimation sample"));
 257     info.SetDescription(_("This sample program demonstrates the usage of wxAnimationCtrl"));
 258     info.SetCopyright(wxT("(C) 2006 Julian Smart"));
 259
 260     info.AddDeveloper(wxT("Julian Smart"));
 261     info.AddDeveloper(wxT("Guillermo Rodriguez Garcia"));
 262     info.AddDeveloper(wxT("Francesco Montorsi"));
 263
 264     wxAboutBox(info);
 265 }
 266
 267 #if wxUSE_FILEDLG
 268 void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
 269 {
 270     wxFileDialog dialog(this, wxT("Please choose an animation"),
 271                         wxEmptyString, wxEmptyString, wxT("*.gif;*.ani"), wxFD_OPEN);
 272     if (dialog.ShowModal() == wxID_OK)
 273     {
 274         wxString filename(dialog.GetPath());
 275
 276         // enable one of the two chunk of codes to test different parts of wxAnimation/wxAnimationCtrl
 277 #if 0
 278         if (m_animationCtrl->LoadFile(filename))
 279             m_animationCtrl->Play();
 280         else
 281             wxMessageBox(wxT("Sorry, this animation is not a valid format for wxAnimation."));
 282 #else
 283     #if 0
 284         wxAnimation temp;
 285         if (!temp.LoadFile(filename))
 286         {
 287             wxLogError(wxT("Sorry, this animation is not a valid format for wxAnimation."));
 288             return;
 289         }
 290
 291         m_animationCtrl->SetAnimation(temp);
 292         m_animationCtrl->Play();
 293     #else
 294         wxFileInputStream stream(filename);
 295         if (!stream.IsOk())
 296         {
 297             wxLogError(wxT("Sorry, this animation is not a valid format for wxAnimation."));
 298             return;
 299         }
 300
 301         wxAnimation temp;
 302         if (!temp.Load(stream))
 303         {
 304             wxLogError(wxT("Sorry, this animation is not a valid format for wxAnimation."));
 305             return;
 306         }
 307
 308         m_animationCtrl->SetAnimation(temp);
 309         m_animationCtrl->Play();
 310     #endif
 311 #endif
 312
 313         GetSizer()->Layout();
 314     }
 315 }
 316 #endif // wxUSE_FILEDLG
 317
 318 void MyFrame::OnUpdateUI(wxUpdateUIEvent& WXUNUSED(event) )
 319 {
 320     GetMenuBar()->FindItem(wxID_STOP)->Enable(m_animationCtrl->IsPlaying());
 321     GetMenuBar()->FindItem(ID_PLAY)->Enable(!m_animationCtrl->IsPlaying());
 322     GetMenuBar()->FindItem(ID_SET_NO_AUTO_RESIZE)->Enable(!m_animationCtrl->IsPlaying());
 323 }
 324