gtkdownloadui.cpp

一个简单漂亮的C++编写的mp3播放器

    m_List = gtk_clist_new_with_titles(2, titles);
    gtk_container_add(GTK_CONTAINER(box), m_List);
    gtk_clist_set_column_width(GTK_CLIST(m_List), 0, 200);
    gtk_signal_connect(GTK_OBJECT(m_List), "select_row",
                       GTK_SIGNAL_FUNC(set_current_sel_internal), this);
    gtk_widget_show(m_List);

    UpdateDownloadList();
}

void cancel_internal(GtkWidget *w, DownloadUI *p)
{
    p->CancelEvent();
}

void pause_internal(GtkWidget *w, DownloadUI *p)
{
    p->PauseEvent();
}

void resume_internal(GtkWidget *w, DownloadUI *p)
{
    p->ResumeEvent();
}

void DownloadUI::ShowHelp(void)
{
    string oHelpFile;
    char   dir[_MAX_PATH];
    uint32 len = _MAX_PATH;

    m_context->prefs->GetInstallDirectory(dir, &len);
    oHelpFile = string(dir) + string(DIR_MARKER_STR) + string("../share/");
    oHelpFile += string(HELP_FILE);

    struct stat st;

    if (stat(oHelpFile.c_str(), &st) == 0 && st.st_mode & S_IFREG)
        LaunchBrowser((char *)oHelpFile.c_str());
    else {
        GTKMessageDialog oBox;
        string oMessage("Cannot find the help files. Please make sure that the help files are properly installed, and you are not running "the_BRANDING" from the build directory.");
        oBox.Show(oMessage.c_str(), string(BRANDING), kMessageOk, true);
    }
}

void help_button_click(GtkWidget *w, DownloadUI *p)
{
    p->ShowHelp();
}

void emusic_click(GtkWidget *w, DownloadUI *p)
{
    LaunchBrowser("http://www.emusic.com/music/free.html");
}

void DownloadUI::CreateDownloadUI(void)
{
    m_downloadUI = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title(GTK_WINDOW(m_downloadUI), BRANDING" - DownloadManager");
    gtk_window_set_policy(GTK_WINDOW(m_downloadUI), FALSE, FALSE, TRUE);
    gtk_signal_connect(GTK_OBJECT(m_downloadUI), "destroy",
                       GTK_SIGNAL_FUNC(toggle_vis_internal), this);
    gtk_container_set_border_width(GTK_CONTAINER(m_downloadUI), 5);

    GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
    gtk_container_add(GTK_CONTAINER(m_downloadUI), vbox);
    gtk_widget_set_usize(vbox, 400, 400);
    gtk_widget_show(vbox);

    GtkWidget *text = gtk_label_new(NULL);
    gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
    gtk_label_set_text(GTK_LABEL(text), "The Download Manager enables you to download music from sites that support the RMP or Real Jukebox download format.  To try it, check out the free music at:");
    gtk_label_set_justify(GTK_LABEL(text), GTK_JUSTIFY_FILL);
    gtk_misc_set_alignment(GTK_MISC(text), (gfloat)0.0, (gfloat)0.0);
    
    gtk_box_pack_start(GTK_BOX(vbox), text, FALSE, FALSE, 2);
    gtk_widget_set_usize(text, 400, 46);
    gtk_widget_show(text);

    GtkWidget *emusic_button = gtk_button_new_with_label("http://www.emusic.com/music/free.html");
    gtk_box_pack_start(GTK_BOX(vbox), emusic_button, FALSE, FALSE, 2);
    gtk_signal_connect(GTK_OBJECT(emusic_button), "clicked",
                       GTK_SIGNAL_FUNC(emusic_click), this);

    gtk_widget_show(emusic_button);
 
    GtkWidget *listwindow = gtk_scrolled_window_new(NULL, NULL);
    gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(listwindow),
                                   GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
    gtk_box_pack_start(GTK_BOX(vbox), listwindow, TRUE, TRUE, 0);
    gtk_widget_set_usize(listwindow, 400, 140);
    gtk_widget_show(listwindow);

    GtkWidget *sep = gtk_hseparator_new();
    gtk_box_pack_start(GTK_BOX(vbox), sep, FALSE, TRUE, 0);
    gtk_widget_show(sep);

    GtkWidget *table = gtk_table_new(7, 2, FALSE);
    gtk_box_pack_start(GTK_BOX(vbox), table, FALSE, FALSE, 0);
    gtk_widget_show(table);

    GtkWidget *label = gtk_label_new("Artist:");
    gtk_misc_set_alignment(GTK_MISC(label), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach(GTK_TABLE(table), label, 0, 1, 0, 1, GTK_FILL, GTK_FILL,
                     10, 1);
    gtk_widget_show(label);

    artist = gtk_label_new(" ");
    gtk_misc_set_alignment(GTK_MISC(artist), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach_defaults(GTK_TABLE(table), artist, 1, 2, 0, 1);
    gtk_widget_show(artist);

    label = gtk_label_new("Album:");
    gtk_misc_set_alignment(GTK_MISC(label), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach(GTK_TABLE(table), label, 0, 1, 1, 2, GTK_FILL, GTK_FILL,
                     10, 1);
    gtk_widget_show(label);

    album = gtk_label_new(" ");
    gtk_misc_set_alignment(GTK_MISC(album), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach_defaults(GTK_TABLE(table), album, 1, 2, 1, 2);
    gtk_widget_show(album);

    label = gtk_label_new("Title:");
    gtk_misc_set_alignment(GTK_MISC(label), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach(GTK_TABLE(table), label, 0, 1, 2, 3, GTK_FILL, GTK_FILL,
                     10, 1);
    gtk_widget_show(label);

    title = gtk_label_new(" ");
    gtk_misc_set_alignment(GTK_MISC(title), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach_defaults(GTK_TABLE(table), title, 1, 2, 2, 3);
    gtk_widget_show(title);

    label = gtk_label_new("Genre:");
    gtk_misc_set_alignment(GTK_MISC(label), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach(GTK_TABLE(table), label, 0, 1, 3, 4, GTK_FILL, GTK_FILL,
                     10, 1);
    gtk_widget_show(label);

    genre = gtk_label_new(" ");
    gtk_misc_set_alignment(GTK_MISC(genre), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach_defaults(GTK_TABLE(table), genre, 1, 2, 3, 4);
    gtk_widget_show(genre);

    label = gtk_label_new("Playlist:");
    gtk_misc_set_alignment(GTK_MISC(label), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach(GTK_TABLE(table), label, 0, 1, 4, 5, GTK_FILL, GTK_FILL,
                     10, 1);
    gtk_widget_show(label);

    playlist = gtk_label_new(" ");
    gtk_misc_set_alignment(GTK_MISC(playlist), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach_defaults(GTK_TABLE(table), playlist, 1, 2, 4, 5);
    gtk_widget_show(playlist);

    label = gtk_label_new("File Name:");
    gtk_misc_set_alignment(GTK_MISC(label), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach(GTK_TABLE(table), label, 0, 1, 5, 6, GTK_FILL, GTK_FILL,
                     10, 1);
    gtk_widget_show(label);

    name = gtk_label_new(" ");
    gtk_misc_set_alignment(GTK_MISC(name), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach_defaults(GTK_TABLE(table), name, 1, 2, 5, 6);
    gtk_widget_show(name);

    label = gtk_label_new("File Size:");
    gtk_misc_set_alignment(GTK_MISC(label), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach(GTK_TABLE(table), label, 0, 1, 6, 7, GTK_FILL, GTK_FILL,
                     10, 1);
    gtk_widget_show(label);

    size = gtk_label_new(" ");
    gtk_misc_set_alignment(GTK_MISC(size), (gfloat)0.0, (gfloat)0.5);
    gtk_table_attach_defaults(GTK_TABLE(table), size, 1, 2, 6, 7);
    gtk_widget_show(size);

    CreateDownloadList(listwindow);

    sep = gtk_hseparator_new();
    gtk_box_pack_start(GTK_BOX(vbox), sep, FALSE, TRUE, 5);
    gtk_widget_show(sep);

    GtkWidget *hbox = gtk_hbox_new(FALSE, 0);
    gtk_box_pack_end(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
    gtk_widget_show(hbox);

    m_CancelButton = gtk_button_new_with_label("  Cancel  ");
    gtk_box_pack_start(GTK_BOX(hbox), m_CancelButton, FALSE, FALSE, 5);
    gtk_signal_connect(GTK_OBJECT(m_CancelButton), "clicked",
                       GTK_SIGNAL_FUNC(cancel_internal), this);
    gtk_widget_show(m_CancelButton);

    m_PauseButton = gtk_button_new_with_label("  Pause  ");
    gtk_box_pack_start(GTK_BOX(hbox), m_PauseButton, FALSE, FALSE, 5);
    gtk_signal_connect(GTK_OBJECT(m_PauseButton), "clicked",
                       GTK_SIGNAL_FUNC(pause_internal), this);
    gtk_widget_show(m_PauseButton);

    m_ResumeButton = gtk_button_new();
    m_ResumeLabel = gtk_label_new("  Resume  ");
    gtk_container_add(GTK_CONTAINER(m_ResumeButton), m_ResumeLabel);
    gtk_box_pack_start(GTK_BOX(hbox), m_ResumeButton, FALSE, FALSE, 5);
    gtk_signal_connect(GTK_OBJECT(m_ResumeButton), "clicked", 
                       GTK_SIGNAL_FUNC(resume_internal), this);
    gtk_widget_show(m_ResumeLabel);
    gtk_widget_show(m_ResumeButton);

    sep = gtk_vseparator_new();
    gtk_box_pack_start(GTK_BOX(hbox), sep, TRUE, FALSE, 5);
    gtk_widget_show(sep);

    m_CloseButton = gtk_button_new_with_label("  Close  ");
    gtk_box_pack_end(GTK_BOX(hbox), m_CloseButton, FALSE, FALSE, 5);
    gtk_signal_connect(GTK_OBJECT(m_CloseButton), "clicked",
                       GTK_SIGNAL_FUNC(close_internal), this);
    gtk_widget_show(m_CloseButton);

    m_helpButton = gtk_button_new_with_label("  Help  ");
    gtk_box_pack_end(GTK_BOX(hbox), m_helpButton, FALSE, FALSE, 5);
    gtk_signal_connect(GTK_OBJECT(m_helpButton), "clicked",
                       GTK_SIGNAL_FUNC(help_button_click), this);
    gtk_widget_show(m_helpButton);

    gtk_widget_show(m_downloadUI);
}