Lamp plugin: Allow toggling the button light using "select".

Change-Id: I0f276a74010ef463ebdb0eb0cc00fc50123966f0

apps/plugins/lamp.c

@@ -45,6 +45,7 @@ static const struct button_mapping *plugin_contexts[] = { pla_main_ctx };
 #   define LAMP_DOWN              PLA_SCROLL_BACK
 #   define LAMP_UP_REPEAT         PLA_SCROLL_FWD_REPEAT
 #   define LAMP_DOWN_REPEAT       PLA_SCROLL_BACK_REPEAT
+#   define LAMP_TOGGLE_BUTTON     PLA_SELECT
 #else
 #   define LAMP_LEFT              PLA_LEFT
 #   define LAMP_RIGHT             PLA_RIGHT
@@ -52,6 +53,7 @@ static const struct button_mapping *plugin_contexts[] = { pla_main_ctx };
 #   define LAMP_DOWN              PLA_DOWN
 #   define LAMP_UP_REPEAT         PLA_UP_REPEAT
 #   define LAMP_DOWN_REPEAT       PLA_DOWN_REPEAT
+#   define LAMP_TOGGLE_BUTTON     PLA_SELECT
 #endif/* HAVE_SCROLLWHEEL */
 
 
@@ -87,6 +89,9 @@ enum plugin_status plugin_start(const void* parameter)
     int cs = 0;
     bool update = false;
 #endif /* HAVE_LCD_COLOR */
+#ifdef HAVE_BUTTON_LIGHT
+    bool buttonlight_on = true;
+#endif /* HAVE_BUTTON_LIGHT */
 
 #if LCD_DEPTH > 1
     unsigned bg_color = rb->lcd_get_background();
@@ -169,6 +174,20 @@ enum plugin_status plugin_start(const void* parameter)
                     backlight_brightness_set(--current_brightness);
                 break;
 #endif /* HAVE_BACKLIGHT_BRIGHTNESS */
+#ifdef HAVE_BUTTON_LIGHT
+            case LAMP_TOGGLE_BUTTON:
+                if(buttonlight_on)
+                {
+                    buttonlight_force_off();
+                    buttonlight_on = false;
+                }
+                else
+                {
+                    buttonlight_force_on();
+                    buttonlight_on = true;
+                }
+                break;
+#endif /* HAVE_BUTTON_LIGHT */
             case LAMP_EXIT:
             case LAMP_EXIT2:
                 quit = true;

apps/plugins/lib/helper.c

@@ -106,6 +106,12 @@ void buttonlight_force_on(void)
     rb->buttonlight_set_timeout(0);
 }
 
+/*  Force the buttonlight off */
+void buttonlight_force_off(void)
+{
+    rb->buttonlight_set_timeout(-1);
+}
+
 /* Turn off backlight timeout */
 void buttonlight_ignore_timeout(void)
 {

apps/plugins/lib/helper.h

@@ -37,6 +37,7 @@ void remote_backlight_use_settings(void);
 
 #ifdef HAVE_BUTTON_LIGHT
 void buttonlight_force_on(void);
+void buttonlight_force_off(void);
 void buttonlight_ignore_timeout(void);
 void buttonlight_use_settings(void);
 #endif

manual/plugins/lamp.tex

@@ -19,6 +19,14 @@ You get an empty screen with maximum brightness.
         & }
     Change the brightness
         \\
+  }
+  \opt{HAVE_BUTTON_LIGHTS}{
+    \PluginSelect{}
+        &
+    \opt{HAVEREMOTEKEYMAP}{
+        & }
+    Toggle the button light
+        \\
   }
     \PluginCancel{} or \PluginExit
     & Exit to menu\\