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 "anitest.h"
  39
  40 #if !wxUSE_ANIMATIONCTRL
  41     #error Cannot compile this sample if wxAnimationCtrl is not enabled
  42 #endif
  43
  44
  45 IMPLEMENT_APP(MyApp)
  46
  47 // ---------------------------------------------------------------------------
  48 // global variables
  49 // ---------------------------------------------------------------------------
  50
  51 // ---------------------------------------------------------------------------
  52 // event tables
  53 // ---------------------------------------------------------------------------
  54
  55 enum
  56 {
  57     ID_PLAY = 1,
  58     ID_SET_NULL_ANIMATION,
  59     ID_SET_INACTIVE_BITMAP,
  60     ID_SET_NO_AUTO_RESIZE,
  61     ID_SET_BGCOLOR
  62 };
  63
  64 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  65     EVT_MENU(ID_PLAY, MyFrame::OnPlay)
  66     EVT_MENU(ID_SET_NULL_ANIMATION, MyFrame::OnSetNullAnimation)
  67     EVT_MENU(ID_SET_INACTIVE_BITMAP, MyFrame::OnSetInactiveBitmap)
  68     EVT_MENU(ID_SET_NO_AUTO_RESIZE, MyFrame::OnSetNoAutoResize)
  69     EVT_MENU(ID_SET_BGCOLOR, MyFrame::OnSetBgColor)
  70
  71     EVT_MENU(wxID_STOP, MyFrame::OnStop)
  72     EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
  73     EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
  74 #if wxUSE_FILEDLG
  75     EVT_MENU(wxID_OPEN, MyFrame::OnOpen)
  76 #endif // wxUSE_FILEDLG
  77
  78     EVT_SIZE(MyFrame::OnSize)
  79     EVT_UPDATE_UI(wxID_ANY, MyFrame::OnUpdateUI)
  80 END_EVENT_TABLE()
  81
  82 // ===========================================================================
  83 // implementation
  84 // ===========================================================================
  85
  86 // ---------------------------------------------------------------------------
  87 // MyApp
  88 // ---------------------------------------------------------------------------
  89
  90 // Initialise this in OnInit, not statically
  91 bool MyApp::OnInit()
  92 {
  93     if ( !wxApp::OnInit() )
  94         return false;
  95
  96     // Create the main frame window
  97
  98     MyFrame* frame = new MyFrame((wxFrame *)NULL, wxID_ANY, _T("Animation Demo"),
  99                                  wxDefaultPosition, wxSize(500, 400),
 100                                  wxDEFAULT_FRAME_STYLE);
 101
 102     // Give it an icon
 103     frame->SetIcon(wxICON(sample));
 104
 105     // Make a menubar
 106     wxMenu *file_menu = new wxMenu;
 107
 108 #if wxUSE_FILEDLG
 109     file_menu->Append(wxID_OPEN, _T("&Open Animation...\tCtrl+O"), _T("Loads an animation"));
 110 #endif // wxUSE_FILEDLG
 111     file_menu->Append(wxID_EXIT);
 112
 113     wxMenu *play_menu = new wxMenu;
 114     play_menu->Append(ID_PLAY, _T("Play\tCtrl+P"), _T("Play the animation"));
 115     play_menu->Append(wxID_STOP, _T("Stop\tCtrl+P"), _T("Stop the animation"));
 116     play_menu->AppendSeparator();
 117     play_menu->Append(ID_SET_NULL_ANIMATION, _T("Set null animation"),
 118                       _T("Sets the empty animation in the control"));
 119     play_menu->AppendCheckItem(ID_SET_INACTIVE_BITMAP, _T("Set inactive bitmap"),
 120                                _T("Sets an inactive bitmap for the control"));
 121     play_menu->AppendCheckItem(ID_SET_NO_AUTO_RESIZE, _T("Set no autoresize"),
 122                                _T("Tells the control not to resize automatically"));
 123     play_menu->Append(ID_SET_BGCOLOR, _T("Set background colour..."),
 124                       _T("Sets the background colour of the control"));
 125
 126     wxMenu *help_menu = new wxMenu;
 127     help_menu->Append(wxID_ABOUT);
 128
 129     wxMenuBar *menu_bar = new wxMenuBar;
 130
 131     menu_bar->Append(file_menu, _T("&File"));
 132     menu_bar->Append(play_menu, _T("&Animation"));
 133     menu_bar->Append(help_menu, _T("&Help"));
 134
 135     // Associate the menu bar with the frame
 136     frame->SetMenuBar(menu_bar);
 137
 138 #if wxUSE_STATUSBAR
 139     frame->CreateStatusBar();
 140 #endif // wxUSE_STATUSBAR
 141
 142     frame->Show(true);
 143
 144     SetTopWindow(frame);
 145
 146     return true;
 147 }
 148
 149 // ---------------------------------------------------------------------------
 150 // MyFrame
 151 // ---------------------------------------------------------------------------
 152
 153 #include "wx/wfstream.h"
 154
 155 // Define my frame constructor
 156 MyFrame::MyFrame(wxWindow *parent,
 157                  const wxWindowID id,
 158                  const wxString& title,
 159                  const wxPoint& pos,
 160                  const wxSize& size,
 161                  const long style)
 162        : wxFrame(parent, id, title, pos, size,
 163                           style | wxNO_FULL_REPAINT_ON_RESIZE)
 164 {
 165     // use a wxBoxSizer otherwise wxFrame will automatically
 166     // resize the m_animationCtrl to fill its client area on
 167     // user resizes
 168     wxSizer *sz = new wxBoxSizer(wxVERTICAL);
 169     sz->Add(new wxStaticText(this, wxID_ANY, wxT("wxAnimationCtrl:")),
 170             wxSizerFlags().Centre().Border());
 171
 172     m_animationCtrl = new wxAnimationCtrl(this, wxID_ANY);
 173     if (m_animationCtrl->LoadFile(wxT("throbber.gif")))
 174         m_animationCtrl->Play();
 175
 176     sz->Add(m_animationCtrl, wxSizerFlags().Centre().Border());
 177     SetSizer(sz);
 178 }
 179
 180 MyFrame::~MyFrame()
 181 {
 182 }
 183
 184 void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
 185 {
 186     if (!m_animationCtrl->Play())
 187         wxLogError(wxT("Invalid animation"));
 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(_T("(C) 2006 Julian Smart"));
 262
 263     info.AddDeveloper(_T("Julian Smart"));
 264     info.AddDeveloper(_T("Guillermo Rodriguez Garcia"));
 265     info.AddDeveloper(_T("Francesco Montorsi"));
 266
 267     wxAboutBox(info);
 268 }
 269
 270 #if wxUSE_FILEDLG
 271 void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
 272 {
 273     wxFileDialog dialog(this, _T("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(_T("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