Toggle keyboard help with 'h'

Author: drfiemost

doc/en/sidplayfp.pod

@@ -251,6 +251,10 @@ Toggle filter.
 
 Pause/unpause playback.
 
+=item h
+
+Show/hide help.
+
 =item Esc
 
 Quit player.

src/keyboard.cpp

@@ -99,6 +99,7 @@ static char keytable[] =
 
     // General Keys
     'p',0,                  A_PAUSED,
+    'h',0,                  A_HELP,
     ESC,ESC,0,              A_QUIT,
 
     // Old Keys

src/keyboard.h

@@ -45,6 +45,7 @@ enum
     A_HOME,
     A_END,
     A_PAUSED,
+    A_HELP,
     A_QUIT,
 
     /* Debug */

src/menu.cpp

@@ -506,18 +506,18 @@ void ConsolePlayer::menu ()
     }
     cerr << endl;
 
-    if (m_verboseLevel)
+    if (m_showhelp)
     {
         consoleTable(table_t::separator);
         consoleTable(table_t::middle);
         consoleColour((m_iniCfg.console()).title);
         cerr << " ←/→  Previous/Next  1-9  Toggle voices  p    Pause" << endl;
         consoleTable(table_t::middle);
         consoleColour((m_iniCfg.console()).title);
-        cerr << " ↓/↑  Standard/Fast  qwe  Toggle sample  Esc  Quit" << endl;
+        cerr << " ↓/↑  Standard/Fast  qwe  Toggle sample  h    Help" << endl;
         consoleTable(table_t::middle);
         consoleColour((m_iniCfg.console()).title);
-        cerr << " ⇱/⇲  First/Last     f    Toggle filter" << endl;
+        cerr << " ⇱/⇲  First/Last     f    Toggle filter  Esc  Quit" << endl;
     }
 
 #ifdef FEAT_REGS_DUMP_SID

src/player.cpp

@@ -344,6 +344,7 @@ ConsolePlayer::ConsolePlayer (const char * const name) :
     m_outfile(nullptr),
     m_filename(""),
     m_quietLevel(0),
+    m_showhelp(false),
     songlengthDB(sldb_t::NONE),
     m_cpudebug(false),
     m_autofilter(false)
@@ -1393,6 +1394,11 @@ void ConsolePlayer::decodeKeys ()
             }
         break;
 
+        case A_HELP:
+            m_showhelp = !m_showhelp;
+            menu();
+        break;
+
         case A_TOGGLE_VOICE1:
             m_mute_channel.flip(0);
             m_engine.mute(0, 0, m_mute_channel[0]);

src/player.h

@@ -172,6 +172,7 @@ class ConsolePlayer
     // Display parameters
     uint_least8_t      m_quietLevel;
     uint_least8_t      m_verboseLevel;
+    bool               m_showhelp;
 
     sldb_t             songlengthDB;