radio_plus_plus/main.cpp

#include "main.h"
#include "search.h"

// Binding events to functions
wxBEGIN_EVENT_TABLE(cFrame, wxFrame)
    EVT_BUTTON(1001, cFrame::OnPP)
    EVT_SLIDER(1002, cFrame::OnScroll)
    EVT_BUTTON(1003, cFrame::OnAdd)
    EVT_BUTTON(1004, cFrame::OnRemove)
    EVT_BUTTON(1005, cFrame::OnSearch)
    EVT_BUTTON(1008, cFrame::refreshEvent)
wxEND_EVENT_TABLE()

// Window content
cFrame::cFrame() : wxFrame(nullptr, wxID_ANY, "Radio++", wxPoint(30, 30), wxSize(450, 600)) {

    wxFrame::SetMinSize(wxSize(450, 600));
    wxFrame::SetMaxSize(wxSize(450, 600));

    menuBar->Append(menuHelp, "&Help");
    menuHelp->Append(wxID_ABOUT);
    menuHelp->AppendSeparator();
    menuHelp->Append(wxID_EXIT);

    SetMenuBar(menuBar);

    Bind(wxEVT_MENU, &cFrame::OnAbout, this, wxID_ABOUT);
    Bind(wxEVT_MENU, &cFrame::OnExit, this, wxID_EXIT);

    b_pp = new wxButton(this, 1001, "Play", wxPoint(10, 10), wxSize(100,50));
    t_box = new wxTextCtrl(this, wxID_ANY, "", wxPoint(10, 190), wxSize(250, 30));
    t_show = new wxStaticText(this, wxID_ANY, "None", wxPoint(10, 80), wxSize(50, 100));
    s_val = new wxStaticText(this, wxID_ANY, "70", wxPoint(150, 100), wxSize(50, 100));
    s_volume = new wxSlider(this, 1002, 70, 0, 100, wxPoint(50, 100), wxSize(220, 80));

    b_add = new wxButton(this, 1003, "Add", wxPoint(280, 230), wxSize(80,30));
    b_add = new wxButton(this, 1004, "Remove", wxPoint(280, 270), wxSize(80,30));
    s_sender = new wxButton(this, 1005, "Search", wxPoint(280, 310), wxSize(80,30));
    b_refresh = new wxButton(this, 1008, "Refresh", wxPoint(280, 350), wxSize(80,30));
    l_sender = new wxListBox(this, wxID_ANY, wxPoint(10, 230), wxSize(250, 300));

    // Text for the Statusbar
    CreateStatusBar();
    SetStatusText("Radio++");

    cFrame::refreshList();
}

cFrame::~cFrame() {
}

void cFrame::refreshList() {

    l_sender->Clear();

    readfile.open(homedir+"/.config/radio++/sender");

    if (readfile.is_open())
    {
        while ( getline (readfile,line) )
        {
            wxString wx_line(line);
            l_sender->Append(wx_line);
        }

        readfile.close();

    }

}

void cFrame::refreshEvent(wxCommandEvent &evt) {

    l_sender->Clear();

    readfile.open(homedir+"/.config/radio++/sender");

    if (readfile.is_open())
    {
        while ( getline (readfile,line) )
        {
            wxString wx_line(line);
            l_sender->Append(wx_line);
        }

        readfile.close();

    }
    evt.Skip();
}

// Get Slider Value and sets Volume
void cFrame::OnScroll(wxCommandEvent &evt) {

    wxString value = wxString::Format(wxT("%d"), (int)s_volume->GetValue());
    
    s_val->SetLabel(value);
    int vol = wxAtoi(value);
    if (b_pp->GetLabel() == "Pause") {
    libvlc_audio_set_volume(mp, vol);
    }
    evt.Skip();
}

// Plays Radio sound yee
void cFrame::playRadio(const char* url) {

    sender = libvlc_media_new_location(inst, url);
    mp = libvlc_media_player_new_from_media(sender);
    libvlc_media_player_play(mp);
}


// Play/Pause Button
void cFrame::OnPP(wxCommandEvent &evt) {

    if(b_pp->GetLabel() == "Play") {

        t_show->SetLabel("Playing...");
        b_pp->SetLabel("Pause");

        std::string url = std::string(l_sender->GetStringSelection().mb_str());
        const char * c_url = url.c_str();

        cFrame::playRadio(c_url);

        wxString value = s_val->GetLabel();
        int vol = wxAtoi(value);
        libvlc_audio_set_volume(mp, vol);

    } else if (b_pp->GetLabel() == "Pause") {

        t_show->SetLabel("Paused");
        b_pp->SetLabel("Play");

        libvlc_media_player_stop(mp);
    }
    
    evt.Skip();

    }
// Add Button
void cFrame::OnAdd(wxCommandEvent &evt) {
    l_sender->Append(t_box->GetValue());

    std::string item = std::string(t_box->GetValue().mb_str());

    writefile.open(homedir+"/.config/radio++/sender", std::ios::app);
    writefile << item << "\n";

    writefile.close();

    t_box->Clear();
}

// Remove Button
void cFrame::OnRemove(wxCommandEvent &evt) {

    if (l_sender->GetSelection() != wxNOT_FOUND) {

    std::string deleteline = std::string(l_sender->GetStringSelection().mb_str());

    l_sender->Delete(l_sender->GetSelection());

    // https://stackoverflow.com/questions/26576714/deleting-specific-line-from-file

    std::string path = homedir+"/.config/radio++/sender";
    std::string tempfile = homedir+"/.config/radio++/temp.txt";
    std::string line;
    std::ifstream fin;
    
    fin.open(path);
    // contents of path must be copied to a temp file then
    // renamed back to the path file
    std::ofstream temp;
    temp.open(homedir+"/.config/radio++/temp.txt");

    while (getline(fin, line)) {
        // write all lines to temp other than the line marked for erasing
        if (line != deleteline)
            temp << line << std::endl;
    }

    temp.close();
    fin.close();

    // required conversion for remove and rename functions
    const char * t = tempfile.c_str();
    const char * p = path.c_str();
    remove(p);
    rename(t, p);
    }

    evt.Skip();

}

// Search Button
void cFrame::OnSearch(wxCommandEvent &evt)
{
    cSearch* m_frame2 = new cSearch();
    m_frame2->Show(true);
    evt.Skip();

    
}


// OnAbout
void cFrame::OnAbout(wxCommandEvent &evt)
{
    wxMessageBox("By MIRO#5825",
                 "About", wxOK | wxICON_INFORMATION);
}

// OnExit
void cFrame::OnExit(wxCommandEvent &evt) {
    libvlc_release (inst);
    Close(true);
}