New feature for player: Jump scroll!

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3693 a1c6a512-1295-4272-9138-f99709370657

6 files changed, 114 insertions, 16 deletions

diff --git a/apps/lang/english.lang b/apps/lang/english.lang
index b30a8cd..604a77b 100644
--- a/apps/lang/english.lang
+++ b/apps/lang/english.lang
@@ -1517,3 +1517,18 @@ id: LANG_MAX_FILES_IN_PLAYLIST
 desc: in settings_menu
 eng: "Max playlist size"
 new:
+
+id: LANG_JUMP_SCROLL
+desc: (player) menu altarnative for jump scroll
+eng: "Jump scroll"
+new:
+
+id: LANG_ONE_TIME
+desc: (player) the jump scroll shall be done "one time"
+eng: "One time"
+new:
+
+id: LANG_ALWAYS
+desc: (player) the jump scroll shall be done "always"
+eng: "Always"
+new:
diff --git a/apps/lang/svenska.lang b/apps/lang/svenska.lang
index a83dcea..6fd85c5 100644
--- a/apps/lang/svenska.lang
+++ b/apps/lang/svenska.lang
@@ -1483,3 +1483,18 @@ id: LANG_MAX_FILES_IN_PLAYLIST
 desc: in settings_menu
 eng: "Max playlist size"
 new: "Max storlek på spellistan"
+
+id: LANG_JUMP_SCROLL
+desc: (player) menu altarnative for jump scroll
+eng: "Jump scroll"
+new: "Hopprullning"
+
+id: LANG_ONE_TIME
+desc: (player) the jump scroll shall be done "one time"
+eng: "One time"
+new: "En gång"
+
+id: LANG_ALWAYS
+desc: (player) the jump scroll shall be done "always"
+eng: "Always"
+new: "Alltid"
diff --git a/apps/settings.c b/apps/settings.c
index f4bb242..5c7ef7e 100644
--- a/apps/settings.c
+++ b/apps/settings.c
@@ -144,6 +144,7 @@ Rest of config block, only saved to disk:
 0xF4  (int) Playlist first index
 0xF8  (int) Playlist shuffle seed
 0xFC  (char[260]) Resume playlist (path/to/dir or path/to/playlist.m3u)
+0xFD  (char)jump scroll mode (only for player)
 
 *************************************/
 
@@ -411,7 +412,9 @@ int settings_save( void )
     memcpy(&config_block[0xF8], &global_settings.resume_seed, 4);
 
     strncpy(&config_block[0xFC], global_settings.resume_file, MAX_PATH);
-    
+#ifdef HAVE_LCD_CHARCELLS
+    config_block[0xfd]=(unsigned char)global_settings.jump_scroll;
+#endif
     DEBUGF( "+Resume file %s\n",global_settings.resume_file );
     DEBUGF( "+Resume index %X offset %X\n",
             global_settings.resume_index,
@@ -528,6 +531,8 @@ void settings_apply(void)
         font_reset();
 
     lcd_scroll_step(global_settings.scroll_step);
+#else
+    lcd_jump_scroll(global_settings.jump_scroll);
 #endif
     lcd_bidir_scroll(global_settings.bidir_limit);
     lcd_scroll_delay(global_settings.scroll_delay * (HZ/10));
@@ -727,6 +732,10 @@ void settings_load(void)
         strncpy(global_settings.lang_file, &config_block[0xcc], MAX_FILENAME);
         strncpy(global_settings.font_file, &config_block[0xe0], MAX_FILENAME);
         strncpy(global_settings.resume_file, &config_block[0xFC], MAX_PATH);
+#ifdef HAVE_LCD_CHARSCELLS
+        if (config_block[0xfd] != 0xff)
+            global_settings.jump_scroll = config_block[0xfd];
+#endif
         global_settings.resume_file[MAX_PATH]=0;
     }
 
@@ -1217,6 +1226,8 @@ bool settings_save_config(void)
 
 #ifdef HAVE_LCD_BITMAP
     fprintf(fd, "scroll step: %d\r\n", global_settings.scroll_step);
+#else
+    fprintf(fd, "jump scroll: %d\r\n", global_settings.jump_scroll);
 #endif
 
     fprintf(fd, "bidir limit: %d\r\n", global_settings.bidir_limit);
@@ -1393,6 +1404,9 @@ void settings_reset(void) {
     global_settings.battery_type = 0;
     global_settings.scroll_speed = 8;
     global_settings.bidir_limit  = 50;
+#ifdef HAVE_LCD_CHARCELLS
+    global_settings.jump_scroll  = 1;
+#endif    
     global_settings.scroll_delay = 100;
     global_settings.scroll_step  = 6;
     global_settings.ff_rewind_min_step = DEFAULT_FF_REWIND_MIN_STEP;
diff --git a/apps/settings.h b/apps/settings.h
index 55a6f96..2d4d9fa 100644
--- a/apps/settings.h
+++ b/apps/settings.h
@@ -151,7 +151,9 @@ struct user_settings
     int bidir_limit;   /* bidir scroll length limit */
     int scroll_delay;  /* delay (in 1/10s) before starting scroll */
     int scroll_step;   /* pixels to advance per update */
-
+#ifdef HAVE_LCD_CHARCELLS
+    int jump_scroll;   /* Fast jump when scrolling */
+#endif
     bool fade_on_stop; /* fade on pause/unpause/stop */
     bool caption_backlight; /* turn on backlight at end and start of track */
 
diff --git a/apps/settings_menu.c b/apps/settings_menu.c
index 60ce4b2..52b8d86 100644
--- a/apps/settings_menu.c
+++ b/apps/settings_menu.c
@@ -456,6 +456,16 @@ static bool bidir_limit(void)
                    &lcd_bidir_scroll, 25, 0, 200 );
 }
 
+#ifdef HAVE_LCD_CHARCELLS
+static bool jump_scroll(void)
+{
+    char* names[] = { str(LANG_OFF), str(LANG_ONE_TIME), str(LANG_ALWAYS)};
+    
+    return set_option(str(LANG_JUMP_SCROLL), &global_settings.jump_scroll,
+                      names, 3, lcd_jump_scroll);
+}
+#endif
+
 #ifndef SIMULATOR
 /**
  * Menu to set the battery capacity
@@ -748,7 +758,10 @@ static bool scroll_settings_menu(void)
 #ifdef HAVE_LCD_BITMAP
         { str(LANG_SCROLL_STEP),     scroll_step     },  
 #endif
-        { str(LANG_BIDIR_SCROLL),    bidir_limit    },  
+        { str(LANG_BIDIR_SCROLL),    bidir_limit    },
+#ifdef HAVE_LCD_CHARCELLS
+        { str(LANG_JUMP_SCROLL),    jump_scroll    },
+#endif
     };
 
     m = menu_init( items, sizeof items / sizeof(struct menu_items) );
diff --git a/firmware/drivers/lcd-player.c b/firmware/drivers/lcd-player.c
index c5915af..2496fb6 100644
--- a/firmware/drivers/lcd-player.c
+++ b/firmware/drivers/lcd-player.c
@@ -70,6 +70,7 @@ struct scrollinfo {
     int starty;
     long scroll_start_tick;
     int direction; /* +1 for right or -1 for left*/
+    int jump_scroll;
 };
 
 #define MAX_CURSOR_CHARS 8
@@ -91,6 +92,7 @@ static int scroll_delay = HZ/2; /* delay before starting scroll */
 static char scroll_spacing = 3; /* spaces between end and start of text */
 static bool allow_bidirectional_scrolling = true;
 static int bidir_limit = 50;  /* percent */
+static int jump_scroll = 0; /* 0=off, 1=once, 2=always */
 
 static struct scrollinfo scroll[SCROLLABLE_LINES];
 
@@ -498,6 +500,11 @@ void lcd_init (void)
                   sizeof(scroll_stack), scroll_name);
 }
 
+void lcd_jump_scroll (int mode) /* 0=off, 1=once, 2=always */
+{
+    jump_scroll=mode;
+}
+
 void lcd_bidir_scroll(int percent)
 {
     bidir_limit = percent;
@@ -522,6 +529,9 @@ void lcd_puts_scroll(int x, int y, unsigned char* string )
         s->startx=x;
         s->starty=y;
         s->direction=+1;
+        s->jump_scroll=0;
+        if (jump_scroll && scroll_delay/2<(HZ/scroll_speed)*(s->textlen-11+x))
+            s->jump_scroll=11-x;
         strncpy(s->text,string,sizeof s->text);
         s->turn_offset=-1;
         if (bidir_limit && (s->textlen < ((11-x)*(100+bidir_limit))/100)) {
@@ -596,18 +606,40 @@ static void scroll_thread(void)
                 if ( TIME_AFTER(current_tick, s->scroll_start_tick) ) {
                     char buffer[12];
                     update = true;
-                    if ( s->offset < s->textlen-1 ) {
-                        s->offset+=s->direction;
-                        if (s->offset==0) {
-                            s->direction=+1;
-                            s->scroll_start_tick = current_tick + scroll_delay;
-                        } else if (s->offset==s->turn_offset) {
-                            s->direction=-1;
-                            s->scroll_start_tick = current_tick + scroll_delay;
+                    if (s->jump_scroll) {
+                        s->offset+=s->jump_scroll;
+                        s->scroll_start_tick = current_tick +
+                            scroll_delay/2;
+                        /* Eat space */
+                        while (s->offset < s->textlen &&
+                               s->text[s->offset] == ' ') {
+                            s->offset++;
+                        }
+                        if (s->offset >= s->textlen) {
+                            s->offset=0;
+                            if (jump_scroll!=2) {
+                                s->jump_scroll=0;
+                                s->direction=1;
+                            }
+                        }
+                    } else {
+                        if ( s->offset < s->textlen-1 ) {
+                            s->offset+=s->direction;
+                            if (s->offset==0) {
+                                s->direction=+1;
+                                s->scroll_start_tick = current_tick +
+                                    scroll_delay;
+                            } else {
+                                if (s->offset == s->turn_offset) {
+                                    s->direction=-1;
+                                    s->scroll_start_tick = current_tick +
+                                        scroll_delay;
+                                }
+                            }
+                        }
+                        else {
+                            s->offset = 0;
                         }
-                    }
-                    else {
-                        s->offset = 0;
                     }
 
                     i=0;
@@ -618,10 +650,17 @@ static void scroll_thread(void)
                             break;
                     }
                     o=0;
-                    while (i<11) {
-                        buffer[i++]=s->text[o++];
+                    if (s->turn_offset == -1 && !s->jump_scroll) {
+                        while (i<11) {
+                            buffer[i++]=s->text[o++];
+                        }
+                    } else {
+                        while (i<11) {
+                            buffer[i++]=' ';
+                        }
                     }
                     buffer[11]=0;
+                    
                     lcd_puts_cont_scroll(s->startx, s->starty, buffer);
                 }
             }