Files
ncmpcpp/src/help.cpp
2015-05-12 20:40:26 +02:00

465 lines
17 KiB
C++

/***************************************************************************
* Copyright (C) 2008-2014 by Andrzej Rybczak *
* electricityispower@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "mpdpp.h"
#include "bindings.h"
#include "global.h"
#include "help.h"
#include "settings.h"
#include "status.h"
#include "utility/wide_string.h"
#include "title.h"
#include "screen_switcher.h"
using Global::MainHeight;
using Global::MainStartY;
Help *myHelp;
namespace {
std::string key_to_string(const Key &key)
{
std::string result;
if (key == Key(NC::Key::Up, Key::NCurses))
result += "Up";
else if (key == Key(NC::Key::Down, Key::NCurses))
result += "Down";
else if (key == Key(NC::Key::PageUp, Key::NCurses))
result += "Page Up";
else if (key == Key(NC::Key::PageDown, Key::NCurses))
result += "Page Down";
else if (key == Key(NC::Key::Home, Key::NCurses))
result += "Home";
else if (key == Key(NC::Key::End, Key::NCurses))
result += "End";
else if (key == Key(NC::Key::Space, Key::Standard))
result += "Space";
else if (key == Key(NC::Key::Enter, Key::Standard))
result += "Enter";
else if (key == Key(NC::Key::Insert, Key::NCurses))
result += "Insert";
else if (key == Key(NC::Key::Delete, Key::NCurses))
result += "Delete";
else if (key == Key(NC::Key::Right, Key::NCurses))
result += "Right";
else if (key == Key(NC::Key::Left, Key::NCurses))
result += "Left";
else if (key == Key(NC::Key::Tab, Key::Standard))
result += "Tab";
else if (key == Key(NC::Key::Shift | NC::Key::Tab, Key::NCurses))
result += "Shift-Tab";
else if (key >= Key(NC::Key::Ctrl_A, Key::Standard) && key <= Key(NC::Key::Ctrl_Z, Key::Standard))
{
result += "Ctrl-";
result += key.getChar()+64;
}
else if (key >= Key(NC::Key::F1, Key::NCurses) && key <= Key(NC::Key::F12, Key::NCurses))
{
result += "F";
result += boost::lexical_cast<std::string>(key.getChar()-NC::Key::F1+1);
}
else if (key == Key(NC::Key::Backspace, Key::Standard))
result += "Backspace";
else
result += ToString(std::wstring(1, key.getChar()));
return result;
}
std::string display_keys(const Actions::Type at)
{
std::string result, skey;
for (auto it = Bindings.begin(); it != Bindings.end(); ++it)
{
for (auto j = it->second.begin(); j != it->second.end(); ++j)
{
if (j->isSingle() && j->action()->type() == at)
{
skey = key_to_string(it->first);
if (!skey.empty())
{
result += std::move(skey);
result += " ";
}
}
}
}
result.resize(16, ' ');
return result;
}
void section(NC::Scrollpad &w, const char *type_, const char *title_)
{
w << "\n " << NC::Format::Bold;
if (type_[0] != '\0')
w << type_ << " - ";
w << title_ << NC::Format::NoBold << "\n\n";
}
/**********************************************************************/
void key_section(NC::Scrollpad &w, const char *title_)
{
section(w, "Keys", title_);
}
void key(NC::Scrollpad &w, const Actions::Type at, const char *desc)
{
w << " " << display_keys(at) << " : " << desc << '\n';
}
void key(NC::Scrollpad &w, const Actions::Type at, const boost::format &desc)
{
w << " " << display_keys(at) << " : " << desc.str() << '\n';
}
/**********************************************************************/
void mouse_section(NC::Scrollpad &w, const char *title_)
{
section(w, "Mouse", title_);
}
void mouse(NC::Scrollpad &w, std::string action, const char *desc, bool indent = false)
{
action.resize(31 - (indent ? 2 : 0), ' ');
w << " " << (indent ? " " : "") << action;
w << ": " << desc << '\n';
}
void mouse_column(NC::Scrollpad &w, const char *column)
{
w << NC::Format::Bold << " " << column << " column:\n" << NC::Format::NoBold;
}
/**********************************************************************/
void write_bindings(NC::Scrollpad &w)
{
using Actions::Type;
key_section(w, "Movement");
key(w, Type::ScrollUp, "Move cursor up");
key(w, Type::ScrollDown, "Move cursor down");
key(w, Type::ScrollUpAlbum, "Move cursor up one album");
key(w, Type::ScrollDownAlbum, "Move cursor down one album");
key(w, Type::ScrollUpArtist, "Move cursor up one artist");
key(w, Type::ScrollDownArtist, "Move cursor down one artist");
key(w, Type::PageUp, "Page up");
key(w, Type::PageDown, "Page down");
key(w, Type::MoveHome, "Home");
key(w, Type::MoveEnd, "End");
w << '\n';
if (Config.screen_switcher_previous)
{
key(w, Type::NextScreen, "Switch between current and last screen");
key(w, Type::PreviousScreen, "Switch between current and last screen");
}
else
{
key(w, Type::NextScreen, "Switch to next screen in sequence");
key(w, Type::PreviousScreen, "Switch to previous screen in sequence");
}
key(w, Type::ShowHelp, "Show help");
key(w, Type::ShowPlaylist, "Show playlist");
key(w, Type::ShowBrowser, "Show browser");
key(w, Type::ShowSearchEngine, "Show search engine");
key(w, Type::ShowMediaLibrary, "Show media library");
key(w, Type::ShowPlaylistEditor, "Show playlist editor");
# ifdef HAVE_TAGLIB_H
key(w, Type::ShowTagEditor, "Show tag editor");
# endif // HAVE_TAGLIB_H
# ifdef ENABLE_OUTPUTS
key(w, Type::ShowOutputs, "Show outputs");
# endif // ENABLE_OUTPUTS
# ifdef ENABLE_VISUALIZER
key(w, Type::ShowVisualizer, "Show music visualizer");
# endif // ENABLE_VISUALIZER
# ifdef ENABLE_CLOCK
key(w, Type::ShowClock, "Show clock");
# endif // ENABLE_CLOCK
w << '\n';
key(w, Type::ShowServerInfo, "Show server info");
key_section(w, "Global");
key(w, Type::Stop, "Stop");
key(w, Type::Pause, "Pause");
key(w, Type::Next, "Next track");
key(w, Type::Previous, "Previous track");
key(w, Type::ReplaySong, "Replay playing song");
key(w, Type::SeekForward, "Seek forward in playing song");
key(w, Type::SeekBackward, "Seek backward in playing song");
key(w, Type::VolumeDown,
boost::format("Decrease volume by %1%%%") % Config.volume_change_step
);
key(w, Type::VolumeUp,
boost::format("Increase volume by %1%%%") % Config.volume_change_step
);
w << '\n';
key(w, Type::ToggleAddMode, "Toggle add mode (add or remove/always add)");
key(w, Type::ToggleMouse, "Toggle mouse support");
key(w, Type::ReverseSelection, "Reverse selection");
key(w, Type::RemoveSelection, "Remove selection");
key(w, Type::SelectItem, "Select current item");
key(w, Type::SelectAlbum, "Select songs of album around the cursor");
key(w, Type::AddSelectedItems, "Add selected items to playlist");
key(w, Type::AddRandomItems, "Add random items to playlist");
w << '\n';
key(w, Type::ToggleRepeat, "Toggle repeat mode");
key(w, Type::ToggleRandom, "Toggle random mode");
key(w, Type::ToggleSingle, "Toggle single mode");
key(w, Type::ToggleConsume, "Toggle consume mode");
key(w, Type::ToggleReplayGainMode, "Toggle replay gain mode");
key(w, Type::ToggleBitrateVisibility, "Toggle bitrate visibility");
key(w, Type::Shuffle, "Shuffle selected range in playlist");
key(w, Type::ToggleCrossfade, "Toggle crossfade mode");
key(w, Type::SetCrossfade, "Set crossfade");
key(w, Type::SetVolume, "Set volume");
key(w, Type::UpdateDatabase, "Start music database update");
w << '\n';
key(w, Type::ExecuteCommand, "Execute command");
key(w, Type::FindItemForward, "Find item forward");
key(w, Type::FindItemBackward, "Find item backward");
key(w, Type::PreviousFoundItem, "Jump to previous found item");
key(w, Type::NextFoundItem, "Jump to next found item");
key(w, Type::ToggleFindMode, "Toggle find mode (normal/wrapped)");
key(w, Type::JumpToBrowser, "Locate song in browser");
key(w, Type::JumpToMediaLibrary, "Locate song in media library");
key(w, Type::ToggleScreenLock, "Lock/unlock current screen");
key(w, Type::MasterScreen, "Switch to master screen (left one)");
key(w, Type::SlaveScreen, "Switch to slave screen (right one)");
# ifdef HAVE_TAGLIB_H
key(w, Type::JumpToTagEditor, "Locate song in tag editor");
# endif // HAVE_TAGLIB_H
key(w, Type::ToggleDisplayMode, "Toggle display mode");
key(w, Type::ToggleInterface, "Toggle user interface");
key(w, Type::ToggleSeparatorsBetweenAlbums, "Toggle displaying separators between albums");
key(w, Type::JumpToPositionInSong, "Jump to given position in playing song (formats: mm:ss, x%)");
key(w, Type::ShowSongInfo, "Show song info");
# ifdef HAVE_CURL_CURL_H
key(w, Type::ShowArtistInfo, "Show artist info");
key(w, Type::ToggleLyricsFetcher, "Toggle lyrics fetcher");
key(w, Type::ToggleFetchingLyricsInBackground, "Toggle fetching lyrics for playing songs in background");
# endif // HAVE_CURL_CURL_H
key(w, Type::ShowLyrics, "Show/hide song lyrics");
w << '\n';
key(w, Type::Quit, "Quit");
key_section(w, "Playlist");
key(w, Type::PressEnter, "Play selected item");
key(w, Type::DeletePlaylistItems, "Delete selected item(s) from playlist");
key(w, Type::ClearMainPlaylist, "Clear playlist");
key(w, Type::CropMainPlaylist, "Clear playlist except selected item(s)");
key(w, Type::SetSelectedItemsPriority, "Set priority of selected items");
key(w, Type::MoveSelectedItemsUp, "Move selected item(s) up");
key(w, Type::MoveSelectedItemsDown, "Move selected item(s) down");
key(w, Type::MoveSelectedItemsTo, "Move selected item(s) to cursor position");
key(w, Type::Add, "Add item to playlist");
# ifdef HAVE_TAGLIB_H
key(w, Type::EditSong, "Edit song");
# endif // HAVE_TAGLIB_H
key(w, Type::SavePlaylist, "Save playlist");
key(w, Type::SortPlaylist, "Sort playlist");
key(w, Type::ReversePlaylist, "Reverse playlist");
key(w, Type::JumpToPlayingSong, "Jump to current song");
key(w, Type::TogglePlayingSongCentering, "Toggle playing song centering");
key_section(w, "Browser");
key(w, Type::PressEnter, "Enter directory/Add item to playlist and play it");
key(w, Type::PressSpace, "Add item to playlist");
# ifdef HAVE_TAGLIB_H
key(w, Type::EditSong, "Edit song");
# endif // HAVE_TAGLIB_H
key(w, Type::EditDirectoryName, "Edit directory name");
key(w, Type::EditPlaylistName, "Edit playlist name");
key(w, Type::ChangeBrowseMode, "Browse MPD database/local filesystem");
key(w, Type::ToggleBrowserSortMode, "Toggle sort mode");
key(w, Type::JumpToPlayingSong, "Locate playing song");
key(w, Type::JumpToParentDirectory, "Jump to parent directory");
key(w, Type::DeleteBrowserItems, "Delete selected items from disk");
key(w, Type::JumpToPlaylistEditor, "Jump to playlist editor (playlists only)");
key_section(w, "Search engine");
key(w, Type::PressEnter, "Add item to playlist and play it/change option");
key(w, Type::PressSpace, "Add item to playlist");
# ifdef HAVE_TAGLIB_H
key(w, Type::EditSong, "Edit song");
# endif // HAVE_TAGLIB_H
key(w, Type::StartSearching, "Start searching");
key(w, Type::ResetSearchEngine, "Reset search constraints and clear results");
key_section(w, "Media library");
key(w, Type::ToggleMediaLibraryColumnsMode, "Switch between two/three columns mode");
key(w, Type::PreviousColumn, "Previous column");
key(w, Type::NextColumn, "Next column");
key(w, Type::PressEnter, "Add item to playlist and play it");
key(w, Type::PressSpace, "Add item to playlist");
# ifdef HAVE_TAGLIB_H
key(w, Type::EditSong, "Edit song");
# endif // HAVE_TAGLIB_H
key(w, Type::EditLibraryTag, "Edit tag (left column)/album (middle/right column)");
key(w, Type::ToggleLibraryTagType, "Toggle type of tag used in left column");
key(w, Type::ToggleMediaLibrarySortMode, "Toggle sort mode");
key_section(w, "Playlist editor");
key(w, Type::PreviousColumn, "Previous column");
key(w, Type::NextColumn, "Next column");
key(w, Type::PressEnter, "Add item to playlist and play it");
key(w, Type::PressSpace, "Add item to playlist");
# ifdef HAVE_TAGLIB_H
key(w, Type::EditSong, "Edit song");
# endif // HAVE_TAGLIB_H
key(w, Type::EditPlaylistName, "Edit playlist name");
key(w, Type::MoveSelectedItemsUp, "Move selected item(s) up");
key(w, Type::MoveSelectedItemsDown, "Move selected item(s) down");
key(w, Type::DeleteStoredPlaylist, "Delete selected playlists (left column)");
key(w, Type::DeletePlaylistItems, "Delete selected item(s) from playlist (right column)");
key(w, Type::ClearPlaylist, "Clear playlist");
key(w, Type::CropPlaylist, "Clear playlist except selected items");
key_section(w, "Lyrics");
key(w, Type::PressSpace, "Toggle reloading lyrics upon song change");
key(w, Type::EditLyrics, "Open lyrics in external editor");
key(w, Type::RefetchLyrics, "Refetch lyrics");
# ifdef HAVE_TAGLIB_H
key_section(w, "Tiny tag editor");
key(w, Type::PressEnter, "Edit tag");
key(w, Type::SaveTagChanges, "Save");
key_section(w, "Tag editor");
key(w, Type::PressEnter, "Edit tag/filename of selected item (left column)");
key(w, Type::PressEnter, "Perform operation on all/selected items (middle column)");
key(w, Type::PreviousColumn, "Previous column");
key(w, Type::NextColumn, "Next column");
key(w, Type::JumpToParentDirectory, "Jump to parent directory (left column, directories view)");
# endif // HAVE_TAGLIB_H
# ifdef ENABLE_OUTPUTS
key_section(w, "Outputs");
key(w, Type::PressEnter, "Toggle output");
# endif // ENABLE_OUTPUTS
# if defined(ENABLE_VISUALIZER) && defined(HAVE_FFTW3_H)
key_section(w, "Music visualizer");
key(w, Type::PressSpace, "Toggle visualization type");
key(w, Type::SetVisualizerSampleMultiplier, "Set visualizer sample multiplier");
# endif // ENABLE_VISUALIZER && HAVE_FFTW3_H
mouse_section(w, "Global");
mouse(w, "Left click on \"Playing/Paused\"", "Play/pause");
mouse(w, "Left click on progressbar", "Jump to pointed position in playing song");
w << '\n';
mouse(w, "Mouse wheel on \"Volume: xx\"", "Adjust volume");
mouse(w, "Mouse wheel on main window", "Scroll");
mouse_section(w, "Playlist");
mouse(w, "Left click", "Select pointed item");
mouse(w, "Right click", "Play");
mouse_section(w, "Browser");
mouse(w, "Left click on directory", "Enter pointed directory");
mouse(w, "Right click on directory", "Add pointed directory to playlist");
w << '\n';
mouse(w, "Left click on song/playlist", "Add pointed item to playlist");
mouse(w, "Right click on song/playlist", "Add pointed item to playlist and play it");
mouse_section(w, "Search engine");
mouse(w, "Left click", "Highlight/switch value");
mouse(w, "Right click", "Change value");
mouse_section(w, "Media library");
mouse_column(w, "Left/middle");
mouse(w, "Left click", "Select pointed item", true);
mouse(w, "Right click", "Add item to playlist", true);
w << '\n';
mouse_column(w, "Right");
mouse(w, "Left Click", "Add pointed item to playlist", true);
mouse(w, "Right Click", "Add pointed item to playlist and play it", true);
mouse_section(w, "Playlist editor");
mouse_column(w, "Left");
mouse(w, "Left click", "Select pointed item", true);
mouse(w, "Right click", "Add item to playlist", true);
w << '\n';
mouse_column(w, "Right");
mouse(w, "Left click", "Add pointed item to playlist", true);
mouse(w, "Right click", "Add pointed item to playlist and play it", true);
# ifdef HAVE_TAGLIB_H
mouse_section(w, "Tiny tag editor");
mouse(w, "Left click", "Select option");
mouse(w, "Right click", "Set value/execute");
mouse_section(w, "Tag editor");
mouse_column(w, "Left");
mouse(w, "Left click", "Enter pointed directory/select pointed album", true);
mouse(w, "Right click", "Toggle view (directories/albums)", true);
w << '\n';
mouse_column(w, "Middle");
mouse(w, "Left click", "Select option", true);
mouse(w, "Right click", "Set value/execute", true);
w << '\n';
mouse_column(w, "Right");
mouse(w, "Left click", "Select pointed item", true);
mouse(w, "Right click", "Set value", true);
# endif // HAVE_TAGLIB_H
# ifdef ENABLE_OUTPUTS
mouse_section(w, "Outputs");
mouse(w, "Left click", "Select pointed output");
mouse(w, "Right click", "Toggle output");
# endif // ENABLE_OUTPUTS
section(w, "", "List of available colors");
for (int i = 0; i < COLORS; ++i)
w << NC::Color(i, NC::Color::transparent) << i+1 << NC::Color::End << " ";
}
}
Help::Help()
: Screen(NC::Scrollpad(0, MainStartY, COLS, MainHeight, "", Config.main_color, NC::Border()))
{
write_bindings(w);
w.flush();
}
void Help::resize()
{
size_t x_offset, width;
getWindowResizeParams(x_offset, width);
w.resize(width, MainHeight);
w.moveTo(x_offset, MainStartY);
hasToBeResized = 0;
}
void Help::switchTo()
{
SwitchTo::execute(this);
drawHeader();
}
std::wstring Help::title()
{
return L"Help";
}