make sure plugin reset backlight setting before exit. do code polish.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24076 a1c6a512-1295-4272-9138-f99709370657

9 files changed, 73 insertions, 71 deletions

diff --git a/apps/misc.c b/apps/misc.c
index 939de44..8f6da8b 100644
--- a/apps/misc.c
+++ b/apps/misc.c
@@ -124,7 +124,7 @@ char *output_dyn_value(char *buf, int buf_size, int value,
         snprintf(tbuf, sizeof(tbuf), "%01d", fraction / 100);
     else
         snprintf(tbuf, sizeof(tbuf), "%02d", fraction / 10);
-    
+
     if (buf)
     {
         if (strlen(tbuf))
@@ -168,7 +168,7 @@ int read_line(int fd, char* buffer, int buffer_size)
 {
     int count = 0;
     int num_read = 0;
-    
+
     errno = 0;
 
     while (count < buffer_size)
@@ -177,9 +177,9 @@ int read_line(int fd, char* buffer, int buffer_size)
 
         if (1 != read(fd, &c, 1))
             break;
-        
+
         num_read++;
-            
+
         if ( c == '\n' )
             break;
 
@@ -201,15 +201,15 @@ int fast_readline(int fd, char *buf, int buf_size, void *parameters,
     char *p, *next;
     int rc, pos = 0;
     int count = 0;
-    
+
     while ( 1 )
     {
         next = NULL;
-        
+
         rc = read(fd, &buf[pos], buf_size - pos - 1);
         if (rc >= 0)
             buf[pos+rc] = '\0';
-        
+
         if ( (p = strchr(buf, '\r')) != NULL)
         {
             *p = '\0';
@@ -217,17 +217,17 @@ int fast_readline(int fd, char *buf, int buf_size, void *parameters,
         }
         else
             p = buf;
-        
+
         if ( (p = strchr(p, '\n')) != NULL)
         {
             *p = '\0';
             next = ++p;
         }
-        
+
         rc = callback(count, buf, parameters);
         if (rc < 0)
             return rc;
-        
+
         count++;
         if (next)
         {
@@ -237,7 +237,7 @@ int fast_readline(int fd, char *buf, int buf_size, void *parameters,
         else
             break ;
     }
-    
+
     return 0;
 }
 
@@ -338,7 +338,7 @@ static bool clean_shutdown(void (*callback)(void *), void *parameter)
             splashf(0, "%s %s", str(LANG_WARNING_BATTERY_EMPTY),
                                 str(LANG_SHUTTINGDOWN));
         }
-        
+
         if (global_settings.fade_on_stop
             && (audio_stat & AUDIO_STATUS_PLAY))
         {
@@ -371,7 +371,7 @@ static bool clean_shutdown(void (*callback)(void *), void *parameter)
 #endif
 
 #if defined(HAVE_RECORDING) && CONFIG_CODEC == SWCODEC
-            audio_close_recording();       
+            audio_close_recording();
 #endif
 
             if(global_settings.talk_menu)
@@ -461,11 +461,11 @@ static bool waiting_to_resume_play = false;
 static long play_resume_tick;
 
 static void car_adapter_mode_processing(bool inserted)
-{    
+{
     if (global_settings.car_adapter_mode)
     {
         if(inserted)
-        { 
+        {
             /*
              * Just got plugged in, delay & resume if we were playing
              */
@@ -598,7 +598,7 @@ long default_event_handler_ex(long event, void (*callback)(void *), void *parame
         case SYS_CHARGER_CONNECTED:
             car_adapter_mode_processing(true);
             return SYS_CHARGER_CONNECTED;
-            
+
         case SYS_CHARGER_DISCONNECTED:
             car_adapter_mode_processing(false);
             return SYS_CHARGER_DISCONNECTED;
@@ -634,12 +634,12 @@ long default_event_handler_ex(long event, void (*callback)(void *), void *parame
             return SYS_PHONE_UNPLUGGED;
 #endif
 #ifdef IPOD_ACCESSORY_PROTOCOL
-	case SYS_IAP_PERIODIC:
-	    iap_periodic();
-	    return SYS_IAP_PERIODIC;
-	case SYS_IAP_HANDLEPKT:
-	    iap_handlepkt();
-	    return SYS_IAP_HANDLEPKT;
+        case SYS_IAP_PERIODIC:
+            iap_periodic();
+            return SYS_IAP_PERIODIC;
+        case SYS_IAP_HANDLEPKT:
+            iap_handlepkt();
+            return SYS_IAP_HANDLEPKT;
 #endif
     }
     return 0;
@@ -772,7 +772,7 @@ char* strrsplt(char* str, int c)
     {
         s = str;
     }
-    
+
     return s;
 }
 
@@ -857,14 +857,14 @@ void format_time(char* buf, int buf_size, long t)
 {
     if ( t < 3600000 ) 
     {
-      snprintf(buf, buf_size, "%d:%02d",
-               (int) (t / 60000), (int) (t % 60000 / 1000));
-    } 
+        snprintf(buf, buf_size, "%d:%02d",
+                 (int) (t / 60000), (int) (t % 60000 / 1000));
+    }
     else
     {
-      snprintf(buf, buf_size, "%d:%02d:%02d",
-               (int) (t / 3600000), (int) (t % 3600000 / 60000),
-               (int) (t % 60000 / 1000));
+        snprintf(buf, buf_size, "%d:%02d:%02d",
+                 (int) (t / 3600000), (int) (t % 3600000 / 60000),
+                 (int) (t % 60000 / 1000));
     }
 }
 
@@ -895,7 +895,7 @@ int open_utf8(const char* pathname, int flags)
         read(fd, bom, BOM_SIZE);
         /* check for BOM */
         if(memcmp(bom, BOM, BOM_SIZE))
-	    lseek(fd, 0, SEEK_SET);
+            lseek(fd, 0, SEEK_SET);
     }
     return fd;
 }
@@ -908,8 +908,8 @@ int open_utf8(const char* pathname, int flags)
 
 static int hex2dec(int c)
 {
-   return  (((c) >= '0' && ((c) <= '9')) ? (c) - '0' :
-                                           (toupper(c)) - 'A' + 10);
+    return  (((c) >= '0' && ((c) <= '9')) ? (c) - '0' :
+                                            (toupper(c)) - 'A' + 10);
 }
 
 int hex_to_rgb(const char* hex, int* color)
@@ -986,7 +986,7 @@ const char* parse_list(const char *fmt, uint32_t *set_vals,
 
                 *s = p;
                 while (*p && *p != sep)
-                   p++;
+                    p++;
                 set = (s[0][0]!='-') && (s[0][1]!=sep) ;
                 break;
 
@@ -1007,9 +1007,9 @@ const char* parse_list(const char *fmt, uint32_t *set_vals,
                 }
                 else
                 {
-                   *d = *p++ - '0';
+                    *d = *p++ - '0';
                     while (isdigit(*p))
-                       *d = (*d * 10) + (*p++ - '0');
+                        *d = (*d * 10) + (*p++ - '0');
                     set = true;
                     if (is_negative)
                         *d *= -1;
diff --git a/apps/plugins/SOURCES b/apps/plugins/SOURCES
index 76a0b57..a3ce60f 100644
--- a/apps/plugins/SOURCES
+++ b/apps/plugins/SOURCES
@@ -64,7 +64,7 @@ rockblox1d.c
 brickmania.c
 calendar.c
 maze.c
-mazezam.c      
+mazezam.c
 text_editor.c
 wavview.c
 robotfindskitten.c
diff --git a/apps/plugins/blackjack.c b/apps/plugins/blackjack.c
index 3854799..315f21f 100644
--- a/apps/plugins/blackjack.c
+++ b/apps/plugins/blackjack.c
@@ -136,7 +136,7 @@ enum {
 #define BJACK_LEFT          BUTTON_LEFT
 
 #elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
-#define BJACK_SELECT_NAME    "PLAY"
+#define BJACK_SELECT_NAME    "SELECT"
 #define BJACK_STAY_NAME     "REC"
 #define BJACK_RESUME_NAME   "DOWN"
 #define BJACK_QUIT_NAME     "POWER"
diff --git a/apps/plugins/mosaique.c b/apps/plugins/mosaique.c
index 51005fd..0f3e9ff 100644
--- a/apps/plugins/mosaique.c
+++ b/apps/plugins/mosaique.c
@@ -208,20 +208,20 @@ enum plugin_status plugin_start(const void* parameter)
             x = 2*GFX_WIDTH-x;
             sx=-sx;
         }
-	
+
         if (x<0) 
         {
             x = -x;
             sx = -sx;
         }
-	
+
         y+=sy;
         if (y>GFX_HEIGHT) 
         {
             y = 2*GFX_HEIGHT-y;
             sy=-sy;
         }
-	
+
         if (y<0) 
         {
             y = -y;
@@ -235,7 +235,7 @@ enum plugin_status plugin_start(const void* parameter)
         MYLCD(update)();
 
         rb->sleep(HZ/timer);
-        
+
         button = rb->button_get(false);
         switch (button)
         {
@@ -254,7 +254,7 @@ enum plugin_status plugin_start(const void* parameter)
                 if (timer>20)
                     timer=5;
                 break;
-                
+
             case MOSAIQUE_RESTART:
 
                 sx = rb->rand() % (GFX_HEIGHT/2) + 1;
@@ -278,5 +278,3 @@ enum plugin_status plugin_start(const void* parameter)
         }
     }
 }
-
-
diff --git a/apps/plugins/robotfindskitten.c b/apps/plugins/robotfindskitten.c
index a2bff3b..5cd0e46 100644
--- a/apps/plugins/robotfindskitten.c
+++ b/apps/plugins/robotfindskitten.c
@@ -676,7 +676,7 @@ static void play_game()
 {
     int old_x = robot.x;
     int old_y = robot.y;
-    int input = 0; /* Not sure what a reasonable initial value is */
+    int input = BUTTON_NONE;
 #ifdef __PLUGINLIB_ACTIONS_H__
     const struct button_mapping *plugin_contexts[] = {generic_directions, generic_actions};
 #endif
diff --git a/apps/plugins/rocklife.c b/apps/plugins/rocklife.c
index 5258121..35c848d 100644
--- a/apps/plugins/rocklife.c
+++ b/apps/plugins/rocklife.c
@@ -131,7 +131,7 @@ static bool load_cellfile(const char *file, char *pgrid){
     fd = rb->open(file, O_RDONLY);
     if (fd<0)
         return false;
-        
+
     init_grid(pgrid);
 
     char c;
@@ -143,7 +143,7 @@ static bool load_cellfile(const char *file, char *pgrid){
     ymid = (GRID_H>>1) - 2;
     comment = false;
 
-    while (true) { 
+    while (true) {
         nc = rb->read(fd, &c, 1);
         if (nc <= 0)
             break;
@@ -343,7 +343,7 @@ static inline bool check_cell(unsigned char *n)
 
     /* now we build the number of non-zero neighbours :-P */
     alive_cells = 8 - empty_cells;
-    
+
     if (n[4]) {
         /* If the cell is alive, it stays alive iff it has 2 or 3 alive neighbours */
         result = (alive_cells==2 || alive_cells==3);
@@ -468,6 +468,7 @@ enum plugin_status plugin_start(const void* parameter)
     int button = 0;
     int quit = 0;
     int stop = 0;
+    int usb = 0;
     int pattern = 0;
     char *pgrid;
     char *pnext_grid;
@@ -488,8 +489,7 @@ enum plugin_status plugin_start(const void* parameter)
     pgrid      = (char *)grid_a;
     pnext_grid = (char *)grid_b;
 
-    init_grid(pgrid);    
-
+    init_grid(pgrid);
 
     if( parameter == NULL )
     {
@@ -544,6 +544,11 @@ enum plugin_status plugin_start(const void* parameter)
                     stop = 1;
                     break;
                 default:
+                    if (rb->default_event_handler(button) == SYS_USB_CONNECTED) {
+                        stop = 1;
+                        quit = 1;
+                        usb = 1;
+                    }
                     break;
                 }
                 rb->yield();
@@ -562,12 +567,12 @@ enum plugin_status plugin_start(const void* parameter)
             break;
         case ROCKLIFE_QUIT:
             /* quit plugin */
-            quit=true;
-            return PLUGIN_OK;
+            quit = 1;
             break;
         default:
             if (rb->default_event_handler(button) == SYS_USB_CONNECTED) {
-                return PLUGIN_USB_CONNECTED;
+                quit = 1;
+                usb = 1;
             }
             break;
         }
@@ -575,5 +580,5 @@ enum plugin_status plugin_start(const void* parameter)
     }
 
     backlight_use_settings(); /* backlight control in lib/helper.c */
-    return PLUGIN_OK;
+    return usb? PLUGIN_USB_CONNECTED: PLUGIN_OK;
 }
diff --git a/apps/plugins/starfield.c b/apps/plugins/starfield.c
index 4a680ee..0da3305 100644
--- a/apps/plugins/starfield.c
+++ b/apps/plugins/starfield.c
@@ -482,8 +482,6 @@ int plugin_main(void)
 #endif
             case(STARFIELD_QUIT):
             case(SYS_USB_CONNECTED):
-                /* Turn on backlight timeout (revert to settings) */
-                backlight_use_settings(); /* backlight control in lib/helper.c*/
                 return PLUGIN_OK;
                 break;
         }
@@ -502,6 +500,9 @@ enum plugin_status plugin_start(const void* parameter)
 
     ret = plugin_main();
 
+    /* Turn on backlight timeout (revert to settings) */
+    backlight_use_settings(); /* backlight control in lib/helper.c*/
+
     return ret;
 }
 
diff --git a/apps/plugins/text_editor.c b/apps/plugins/text_editor.c
index a8c8c2d..4d5812b 100644
--- a/apps/plugins/text_editor.c
+++ b/apps/plugins/text_editor.c
@@ -86,7 +86,7 @@ char* _do_action(int action, char* str, int line)
             break;
         case ACTION_REMOVE:
             if (line > line_count)
-                return 0;
+                return NULL;
             len = rb->strlen(&buffer[c])+1;
             rb->memmove(&buffer[c],&buffer[c+len],char_count-c-len);
             char_count -= len;
@@ -225,7 +225,7 @@ enum {
 };
 int do_item_menu(int cur_sel, char* copy_buffer)
 {
-    int ret = 0;
+    int ret = MENU_RET_NO_UPDATE;
     MENUITEM_STRINGLIST(menu, "Line Options", NULL,
                         "Cut/Delete", "Copy",
                         "Insert Above", "Insert Below",
diff --git a/apps/plugins/viewer.c b/apps/plugins/viewer.c
index a212885..88b43c3 100644
--- a/apps/plugins/viewer.c
+++ b/apps/plugins/viewer.c
@@ -1,12 +1,11 @@
 /***************************************************************************
- *
  *             __________               __   ___.
  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
  *                     \/            \/     \/    \/            \/
- *
+ * $Id$
  *
  * Copyright (C) 2002 Gilles Roux, 2003 Garrett Derner
  *
@@ -432,7 +431,6 @@ struct preferences {
     } scroll_mode;
 
     int autoscroll_speed;
-    
 };
 
 struct preferences prefs;
@@ -1226,7 +1224,7 @@ static void viewer_load_settings(void) /* same name as global, but not the same
     int settings_fd, i;
     struct bookmark_file_data *data;
     struct bookmarked_file_info this_bookmark;
-    
+
     /* read settings file */
     settings_fd=rb->open(SETTINGS_FILE, O_RDONLY);
     if ((settings_fd >= 0) && (rb->filesize(settings_fd) == sizeof(struct preferences)))
@@ -1271,7 +1269,7 @@ static void viewer_load_settings(void) /* same name as global, but not the same
             file_pos = screen_pos - screen_top;
             screen_top_ptr = buffer + screen_top;
             break;
-        }    
+        }
     }
 
     this_bookmark.file_position = file_pos;
@@ -1284,16 +1282,16 @@ static void viewer_load_settings(void) /* same name as global, but not the same
     if (i >= data->bookmarked_files_count) 
     {
         if (i < MAX_BOOKMARKED_FILES) 
-            data->bookmarked_files_count++;    
-        else        
+            data->bookmarked_files_count++;
+        else
             i = MAX_BOOKMARKED_FILES-1;
-    }    
+    }
 
     /* write bookmark file with spare slot in first position 
        to be filled in by viewer_save_settings */
     settings_fd = rb->open(BOOKMARKS_FILE, O_WRONLY|O_CREAT);
     if (settings_fd >=0 )
-    {     
+    {
         /* write count */
         rb->write (settings_fd, &data->bookmarked_files_count, sizeof(signed int));
 
@@ -1336,7 +1334,7 @@ static void viewer_save_settings(void)/* same name as global, but not the same f
             rb->close(settings_fd);
         }
     }
-    
+
     /* save the bookmark if the position has changed */
     if (file_pos + screen_top_ptr - buffer != start_position)
     {
@@ -1559,11 +1557,11 @@ enum plugin_status plugin_start(const void* file)
     }
 
     viewer_load_settings(); /* load the preferences and bookmark */
-    
+
 #if LCD_DEPTH > 1
     rb->lcd_set_backdrop(NULL);
 #endif
-    
+
     viewer_draw(col);
 
     while (!done) {
@@ -1577,7 +1575,7 @@ enum plugin_status plugin_start(const void* file)
                 old_tick = *rb->current_tick;
             }
         }
-        
+
         button = rb->button_get_w_tmo(HZ/10);
         switch (button) {
             case VIEWER_MENU: