GuiWX.cpp

//include first, avoid macro collision
#include <Gui/StringConv.hh>

#include "GuiWX.hh"

using namespace BIAS;
using namespace std;

//////////////////////////////////////////////////////////////////////////////
GuiWX::GuiWX()
{
    pthread_mutex_init(&guiMutex_,NULL);
    if(pthread_create(&guiThread_, NULL,
         (void* (*)(void*))(GuiWX::guiThreadFunc_),this)) {
        BIASERR("Could not create gui thread");
    }
#ifndef WIN32
    sleep(1);
#else
  Sleep(1000);
#endif
}

GuiWX::~GuiWX(){
    pthread_cancel(guiThread_);
    wxTheApp->OnExit();
    wxEntryCleanup();
}

void* GuiWX::
guiThreadFunc_(GuiWX *caller){
    int oldstate=0;
    pthread_setcancelstate(PTHREAD_CANCEL_ENABLE,&oldstate);

    caller->app_ = new GuiWXApp();
    wxApp::SetInstance(caller->app_);
    int i=0; wxChar **c=NULL;
    wxEntryStart(i,c);
    caller->app_->Init();
    wxTheApp->OnInit();
    wxTheApp->OnRun();
    return NULL;
}

void GuiWX::
SetTitle(std::string const& Title){
    pthread_mutex_lock(&guiMutex_);
    app_->SetTitle(Title);
    pthread_mutex_unlock(&guiMutex_);
}

int GuiWX::
ShowConvertedImage_(BIAS::Image<unsigned char> &image){
    //cout<<"GuiWX::Show Converted image:"<<endl;
    pthread_mutex_lock(&guiMutex_);
    app_->ShowConvertedImage(image);
    pthread_mutex_unlock(&guiMutex_);
    return 0;
}

//////////////////////////////////////////////////////////////////////////////
GuiWXApp::GuiWXApp(){
    frame_ = NULL;
}

void GuiWXApp::Init(){
    //cout<<"OnInit:"<<endl;
    frame_ = new GuiWXFrame(wxT("Image"));
    SetTopWindow(frame_);
    frame_->Show();
}

void GuiWXApp::
SetTitle(std::string const& Title){
    if(frame_!=NULL) frame_->SetTitle(Title);
}

int GuiWXApp::
ShowConvertedImage(Image<unsigned char> &image)
{
    //cout<<"GuiWXApp::Show Converted image:"<<endl;
    if(frame_!=NULL)
        return frame_->ShowConvertedImage(image);
    else
        return -1;
}

/////////////////////////////////////////////////////////////////////////////////
GuiWXFrame::GuiWXFrame(const wxString title,
                         const wxPoint pos, const wxSize size)
: wxFrame((wxFrame *)NULL, -1, title, pos, size)
{

    panel_ = new wxPanel(this);

    panel_->Connect(wxEVT_KEY_DOWN,wxKeyEventHandler(GuiWXFrame::OnKeyDown),NULL,this);
    panel_->Connect(wxEVT_CHAR,wxKeyEventHandler(GuiWXFrame::OnKeyDown),NULL,this);

    wxSizer *pSizer = new wxBoxSizer( wxHORIZONTAL );

    ic_ = new PlainImageCanvas(panel_,NULL,0);
    ic_->SetSize(1024,768);
    pSizer->Add(panel_,1, wxEXPAND |wxALL , 5);
    SetSizer( pSizer );

    Timer_.SetOwner((wxFrame*)this, ID_TIMER);
    Timer_.Start(20,true);
  SetAutoLayout(true);
  Layout();
  //cout<<"Created new GuiWXFrame"<<endl;;
}

void GuiWXFrame::
SetTitle(std::string const& Title){
    wxString t = AsciiToWx(Title);
    wxTopLevelWindow::SetTitle(t);
}

int GuiWXFrame::
ShowConvertedImage(Image<unsigned char> &image)
{
    //cout<<"GuiWXFrame::Show Converted image:"<<endl;
    image_ = image;
  ic_->Show(image_);
  //WindowCreated_ = true;
  Refresh();
  return 0;
}

void GuiWXFrame::
OnKeyDown(wxKeyEvent &event){
    int KeyBuffer_ = event.GetKeyCode();
    cout<<"Key:"<<KeyBuffer_<<endl;
    event.Skip();
}

void GuiWXFrame::
OnQuit(wxCommandEvent& WXUNUSED(event))
{
  Timer_.Stop();
#ifndef WIN32
    sleep(1);
#else
  Sleep(1000);
#endif
  Destroy();
}

void GuiWXFrame::
OnTimer(wxTimerEvent& event)
{
    Refresh();
    Timer_.Start(20, true);
}


/////////////////////////////////////////////////////////////////////////////////
BEGIN_EVENT_TABLE(GuiWXFrame, wxFrame)
  EVT_TIMER(ID_TIMER, GuiWXFrame::OnTimer)
END_EVENT_TABLE()