Add zoom (z) and unzoom (shift+z) hotkeys

include/vlc_keys.h

@@ -256,3 +256,5 @@ static inline int StringToKey( char *psz_key )
 #define ACTIONID_ASPECT_RATIO          67
 #define ACTIONID_CROP                  68
 #define ACTIONID_DEINTERLACE           69
+#define ACTIONID_ZOOM                  70
+#define ACTIONID_UNZOOM                71

modules/control/hotkeys.c

@@ -589,6 +589,35 @@ static void Run( intf_thread_t *p_intf )
                 }
                 free( val.psz_string );
             }
+            else if( ( i_action == ACTIONID_ZOOM || i_action == ACTIONID_UNZOOM ) && p_vout )
+            {
+                vlc_value_t val={0}, val_list, text_list;
+                var_Get( p_vout, "zoom", &val );
+                if( var_Change( p_vout, "zoom", VLC_VAR_GETLIST,
+                                &val_list, &text_list ) >= 0 )
+                {
+                    int i;
+                    for( i = 0; i < val_list.p_list->i_count; i++ )
+                    {
+                        if( val_list.p_list->p_values[i].f_float
+                           == val.f_float )
+                        {
+                            if( i_action == ACTIONID_ZOOM )
+                                i++;
+                            else /* ACTIONID_UNZOOM */
+                                i--;
+                            break;
+                        }
+                    }
+                    if( i == val_list.p_list->i_count ) i = 0;
+                    if( i == -1 ) i = val_list.p_list->i_count-1;
+                    var_SetFloat( p_vout, "zoom",
+                                  val_list.p_list->p_values[i].f_float );
+                    vout_OSDMessage( VLC_OBJECT(p_input), DEFAULT_CHAN,
+                                     _("Zoom mode: %s"),
+                                text_list.p_list->p_values[i].var.psz_name );
+                }
+            }
             else if( i_action == ACTIONID_NEXT )
             {
                 p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,

src/libvlc.h

@@ -1072,6 +1072,12 @@ static char *ppsz_clock_descriptions[] =
 #define RECORD_KEY_TEXT N_("Record")
 #define RECORD_KEY_LONGTEXT N_("Record access filter start/stop.")
 
+#define ZOOM_KEY_TEXT N_("Zoom")
+#define ZOOM_KEY_LONGTEXT N_("Zoom")
+
+#define UNZOOM_KEY_TEXT N_("Un-Zoom")
+#define UNZOOM_KEY_LONGTEXT N_("Un-Zoom")
+
 
 #define VLC_USAGE N_( \
     "Usage: %s [options] [stream] ..." \
@@ -1638,6 +1644,8 @@ vlc_module_begin();
 #   define KEY_CHAPTER_PREV       KEY_MODIFIER_CTRL|'u'
 #   define KEY_CHAPTER_NEXT       KEY_MODIFIER_CTRL|'d'
 #   define KEY_SNAPSHOT           KEY_MODIFIER_COMMAND|KEY_MODIFIER_ALT|'s'
+#   define KEY_ZOOM               'z'
+#   define KEY_UNZOOM             KEY_MODIFIER_SHIFT|'z'
 
 #   define KEY_SET_BOOKMARK1      KEY_MODIFIER_COMMAND|KEY_F1
 #   define KEY_SET_BOOKMARK2      KEY_MODIFIER_COMMAND|KEY_F2
@@ -1709,6 +1717,8 @@ vlc_module_begin();
 #   define KEY_CHAPTER_PREV       KEY_MODIFIER_CTRL|'u'
 #   define KEY_CHAPTER_NEXT       KEY_MODIFIER_CTRL|'d'
 #   define KEY_SNAPSHOT           KEY_MODIFIER_CTRL|KEY_MODIFIER_ALT|'s'
+#   define KEY_ZOOM               'z'
+#   define KEY_UNZOOM             KEY_MODIFIER_SHIFT|'z'
 
 #   define KEY_SET_BOOKMARK1      KEY_MODIFIER_CTRL|KEY_F1
 #   define KEY_SET_BOOKMARK2      KEY_MODIFIER_CTRL|KEY_F2
@@ -1830,6 +1840,10 @@ vlc_module_begin();
              HISTORY_FORWARD_TEXT, HISTORY_FORWARD_LONGTEXT, VLC_TRUE );
     add_key( "key-record", KEY_RECORD, NULL,
              RECORD_KEY_TEXT, RECORD_KEY_LONGTEXT, VLC_TRUE );
+    add_key( "key-zoom", KEY_ZOOM, NULL,
+             ZOOM_KEY_TEXT, ZOOM_KEY_LONGTEXT, VLC_TRUE );
+    add_key( "key-unzoom", KEY_UNZOOM, NULL,
+             UNZOOM_KEY_TEXT, UNZOOM_KEY_LONGTEXT, VLC_TRUE );
 
     set_section ( N_("Jump sizes" ), NULL );
     add_integer( "extrashort-jump-size", 3, NULL, JIEXTRASHORT_TEXT,
@@ -1984,6 +1998,8 @@ static struct hotkey p_hotkeys[] =
     { "key-intf-show", ACTIONID_INTF_SHOW, 0, 0, 0, 0 },
     { "key-intf-hide", ACTIONID_INTF_HIDE, 0, 0, 0, 0 },
     { "key-snapshot", ACTIONID_SNAPSHOT, 0, 0, 0, 0 },
+    { "key-zoom", ACTIONID_ZOOM, 0, 0, 0, 0 },
+    { "key-unzoom", ACTIONID_UNZOOM, 0, 0, 0, 0 },
     { "key-nav-activate", ACTIONID_NAV_ACTIVATE, 0, 0, 0, 0 },
     { "key-nav-up", ACTIONID_NAV_UP, 0, 0, 0, 0 },
     { "key-nav-down", ACTIONID_NAV_DOWN, 0, 0, 0, 0 },