premiere-libtorrent/examples/torrent_view.hpp

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#ifndef TORRENT_VIEW_HPP_
#define TORRENT_VIEW_HPP_
#include <set>
#include <vector>
#include <unordered_set>
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#include "libtorrent/torrent_handle.hpp"
#include "libtorrent/torrent_status.hpp"
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namespace lt = libtorrent;
struct torrent_view
{
torrent_view();
void set_size(int width, int height);
enum {
torrents_all,
torrents_downloading,
torrents_not_paused,
torrents_seeding,
torrents_queued,
torrents_stopped,
torrents_checking,
torrents_max
};
int filter() const;
void set_filter(int filter);
// returns the lt::torrent_status of the currently selected torrent.
lt::torrent_status const& get_active_torrent() const;
lt::torrent_handle get_active_handle() const;
void update_torrents(std::vector<lt::torrent_status> const& st);
int height() const;
void arrow_up();
void arrow_down();
void render();
private:
void print_tabs();
void print_headers();
void print_torrent(lt::torrent_status const& s, bool selected);
bool show_torrent(lt::torrent_status const& st);
// refresh all pointers in m_filtered_handles. This must be done when
// inserting or removing elements from m_all_handles, since pointers may
// be invalidated or when a torrent changes status to either become
// visible or filtered
void update_filtered_torrents();
// all torrents
std::unordered_set<lt::torrent_status> m_all_handles;
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// pointers into m_all_handles of the remaining torrents after filtering
std::vector<lt::torrent_status const*> m_filtered_handles;
mutable int m_active_torrent; // index into m_filtered_handles
int m_scroll_position;
int m_torrent_filter;
int m_width;
int m_height;
};
#endif // TORRENT_VIEW_HPP_