wxWidgets/samples/animate/anitest.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: anitest.cpp
// Purpose: Animation sample
// Author: Julian Smart
// Modified by: Francesco Montorsi
// Created: 02/07/2001
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ===========================================================================
// declarations
// ===========================================================================
// ---------------------------------------------------------------------------
// headers
// ---------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#ifndef wxHAS_IMAGES_IN_RESOURCES
#include "../sample.xpm"
#endif
#include "wx/aboutdlg.h"
#include "wx/artprov.h"
#include "wx/colordlg.h"
#include "wx/wfstream.h"
#include "anitest.h"
#if !wxUSE_ANIMATIONCTRL
#error Cannot compile this sample if wxAnimationCtrl is not enabled
#endif
#ifdef wxHAS_NATIVE_ANIMATIONCTRL
#include "wx/generic/animate.h"
#endif
wxIMPLEMENT_APP(MyApp);
// ---------------------------------------------------------------------------
// global variables
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// event tables
// ---------------------------------------------------------------------------
enum
{
ID_PLAY = 1,
ID_SET_NULL_ANIMATION,
ID_SET_INACTIVE_BITMAP,
ID_SET_NO_AUTO_RESIZE,
ID_SET_BGCOLOR,
ID_USE_GENERIC
};
wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(ID_PLAY, MyFrame::OnPlay)
EVT_MENU(ID_SET_NULL_ANIMATION, MyFrame::OnSetNullAnimation)
EVT_MENU(ID_SET_INACTIVE_BITMAP, MyFrame::OnSetInactiveBitmap)
EVT_MENU(ID_SET_NO_AUTO_RESIZE, MyFrame::OnSetNoAutoResize)
EVT_MENU(ID_SET_BGCOLOR, MyFrame::OnSetBgColor)
#ifdef wxHAS_NATIVE_ANIMATIONCTRL
EVT_MENU(ID_USE_GENERIC, MyFrame::OnUseGeneric)
#endif // wxHAS_NATIVE_ANIMATIONCTRL
EVT_MENU(wxID_STOP, MyFrame::OnStop)
EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
#if wxUSE_FILEDLG
EVT_MENU(wxID_OPEN, MyFrame::OnOpen)
#endif // wxUSE_FILEDLG
EVT_SIZE(MyFrame::OnSize)
EVT_UPDATE_UI(wxID_ANY, MyFrame::OnUpdateUI)
wxEND_EVENT_TABLE()
// ===========================================================================
// implementation
// ===========================================================================
// ---------------------------------------------------------------------------
// MyApp
// ---------------------------------------------------------------------------
// Initialise this in OnInit, not statically
bool MyApp::OnInit()
{
if ( !wxApp::OnInit() )
return false;
// Create the main frame window
MyFrame* frame = new MyFrame((wxFrame *)NULL, wxID_ANY, "Animation Demo",
wxDefaultPosition, wxSize(500, 400),
wxDEFAULT_FRAME_STYLE);
frame->Show(true);
return true;
}
// ---------------------------------------------------------------------------
// MyFrame
// ---------------------------------------------------------------------------
// Define my frame constructor
MyFrame::MyFrame(wxWindow *parent,
const wxWindowID id,
const wxString& title,
const wxPoint& pos,
const wxSize& size,
const long style)
: wxFrame(parent, id, title, pos, size, style)
{
SetIcon(wxICON(sample));
// Make a menubar
wxMenu *file_menu = new wxMenu;
#if wxUSE_FILEDLG
file_menu->Append(wxID_OPEN, "&Open Animation...\tCtrl+O", "Loads an animation");
#endif // wxUSE_FILEDLG
file_menu->Append(wxID_EXIT);
wxMenu *play_menu = new wxMenu;
play_menu->Append(ID_PLAY, "Play\tCtrl+P", "Play the animation");
play_menu->Append(wxID_STOP, "Stop\tCtrl+S", "Stop the animation");
play_menu->AppendSeparator();
play_menu->Append(ID_SET_NULL_ANIMATION, "Set null animation",
"Sets the empty animation in the control");
play_menu->AppendCheckItem(ID_SET_INACTIVE_BITMAP, "Set inactive bitmap",
"Sets an inactive bitmap for the control");
play_menu->AppendCheckItem(ID_SET_NO_AUTO_RESIZE, "Set no autoresize",
"Tells the control not to resize automatically");
play_menu->Append(ID_SET_BGCOLOR, "Set background colour...",
"Sets the background colour of the control");
#ifdef wxHAS_NATIVE_ANIMATIONCTRL
play_menu->AppendSeparator();
play_menu->AppendCheckItem(ID_USE_GENERIC, "Use &generic animation\tCtrl+G",
"Selects whether native or generic version is used");
#endif // wxHAS_NATIVE_ANIMATIONCTRL
wxMenu *help_menu = new wxMenu;
help_menu->Append(wxID_ABOUT);
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, "&File");
menu_bar->Append(play_menu, "&Animation");
menu_bar->Append(help_menu, "&Help");
// Associate the menu bar with this frame
SetMenuBar(menu_bar);
#if wxUSE_STATUSBAR
CreateStatusBar();
#endif // wxUSE_STATUSBAR
// use a wxBoxSizer otherwise wxFrame will automatically
// resize the m_animationCtrl to fill its client area on
// user resizes
wxSizer *sz = new wxBoxSizer(wxVERTICAL);
sz->Add(new wxStaticText(this, wxID_ANY, "wxAnimationCtrl:"),
wxSizerFlags().Centre().Border());
m_animationCtrl = new wxAnimationCtrl(this, wxID_ANY);
if (m_animationCtrl->LoadFile("throbber.gif"))
m_animationCtrl->Play();
sz->Add(m_animationCtrl, wxSizerFlags().Centre().Border());
SetSizer(sz);
}
MyFrame::~MyFrame()
{
}
void MyFrame::OnPlay(wxCommandEvent& WXUNUSED(event))
{
if (!m_animationCtrl->Play())
{
wxLogError("Invalid animation");
}
}
void MyFrame::OnStop(wxCommandEvent& WXUNUSED(event))
{
m_animationCtrl->Stop();
}
void MyFrame::OnSetNullAnimation(wxCommandEvent& WXUNUSED(event))
{
m_animationCtrl->SetAnimation(wxNullAnimation);
}
void MyFrame::OnSetInactiveBitmap(wxCommandEvent& event)
{
if (event.IsChecked())
{
// set a dummy bitmap as the inactive bitmap
wxBitmap bmp = wxArtProvider::GetBitmap(wxART_MISSING_IMAGE);
m_animationCtrl->SetInactiveBitmap(bmp);
}
else
m_animationCtrl->SetInactiveBitmap(wxNullBitmap);
}
void MyFrame::OnSetNoAutoResize(wxCommandEvent& event)
{
// recreate the control with the new flag if necessary
long style = wxAC_DEFAULT_STYLE |
(event.IsChecked() ? wxAC_NO_AUTORESIZE : 0);
if (style != m_animationCtrl->GetWindowStyle())
{
RecreateAnimation(style);
}
}
void MyFrame::OnSetBgColor(wxCommandEvent& WXUNUSED(event))
{
wxColour clr = wxGetColourFromUser(this, m_animationCtrl->GetBackgroundColour(),
"Choose the background colour");
if (clr.IsOk())
m_animationCtrl->SetBackgroundColour(clr);
}
void MyFrame::RecreateAnimation(long style)
{
// save status of the control before destroying it
// We can't reuse the existing animation if we're switching from native to
// generic control or vice versa (as indicated by the absence of change in
// the style, which is the only other reason we can get called). We could
// save the file name we loaded it from and recreate it, of course, but for
// now, for simplicity, just start without any animation in this case.
wxAnimation curr;
#ifdef wxHAS_NATIVE_ANIMATIONCTRL
if ( style != m_animationCtrl->GetWindowStyle() )
curr = m_animationCtrl->GetAnimation();
#endif // wxHAS_NATIVE_ANIMATIONCTRL
wxBitmap inactive = m_animationCtrl->GetInactiveBitmap();
wxColour bg = m_animationCtrl->GetBackgroundColour();
// destroy & rebuild
wxAnimationCtrlBase *old = m_animationCtrl;
#ifdef wxHAS_NATIVE_ANIMATIONCTRL
if ( GetMenuBar()->IsChecked(ID_USE_GENERIC) )
m_animationCtrl = new wxGenericAnimationCtrl(this, wxID_ANY, curr,
wxDefaultPosition,
wxDefaultSize,
style);
else
#endif // wxHAS_NATIVE_ANIMATIONCTRL
m_animationCtrl = new wxAnimationCtrl(this, wxID_ANY, curr,
wxDefaultPosition, wxDefaultSize,
style);
GetSizer()->Replace(old, m_animationCtrl);
delete old;
// load old status in new control
m_animationCtrl->SetInactiveBitmap(inactive);
m_animationCtrl->SetBackgroundColour(bg);
GetSizer()->Layout();
}
#ifdef wxHAS_NATIVE_ANIMATIONCTRL
void MyFrame::OnUseGeneric(wxCommandEvent& WXUNUSED(event))
{
RecreateAnimation(m_animationCtrl->GetWindowStyle());
}
#endif // wxHAS_NATIVE_ANIMATIONCTRL
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
Close();
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
{
wxAboutDialogInfo info;
info.SetName(_("wxAnimationCtrl and wxAnimation sample"));
info.SetDescription(_("This sample program demonstrates the usage of wxAnimationCtrl"));
info.SetCopyright("(C) 2006 Julian Smart");
info.AddDeveloper("Julian Smart");
info.AddDeveloper("Guillermo Rodriguez Garcia");
info.AddDeveloper("Francesco Montorsi");
wxAboutBox(info, this);
}
#if wxUSE_FILEDLG
void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
{
wxFileDialog dialog(this, "Please choose an animation",
wxEmptyString, wxEmptyString, "*.gif;*.ani", wxFD_OPEN);
if (dialog.ShowModal() == wxID_OK)
{
wxString filename(dialog.GetPath());
wxAnimation temp(m_animationCtrl->CreateAnimation());
if (!temp.LoadFile(filename))
{
wxLogError("Sorry, this animation is not a valid format for wxAnimation.");
return;
}
m_animationCtrl->SetAnimation(temp);
m_animationCtrl->Play();
GetSizer()->Layout();
}
}
#endif // wxUSE_FILEDLG
void MyFrame::OnUpdateUI(wxUpdateUIEvent& WXUNUSED(event) )
{
GetMenuBar()->FindItem(wxID_STOP)->Enable(m_animationCtrl->IsPlaying());
GetMenuBar()->FindItem(ID_PLAY)->Enable(!m_animationCtrl->IsPlaying());
GetMenuBar()->FindItem(ID_SET_NO_AUTO_RESIZE)->Enable(!m_animationCtrl->IsPlaying());
}