Index: apps/action.c =================================================================== --- apps/action.c (Revision 23882) +++ apps/action.c (Arbeitskopie) @@ -146,6 +146,36 @@ CONTEXT_STD : items[i].action_code; } + +static bool backlight_on_action(int action) +{ + /* no backlight on volume change and pause/play */ + return (action != ACTION_WPS_VOLUP) + && (action != ACTION_WPS_VOLDOWN) + && (action != ACTION_WPS_PLAY); +} + +static bool backlight_on_keypress_oracle(int btn) +{ + /* check whether the button would fire an action */ + /* If yes, check whether that action should turn on the backlight */ + /* Keep this function fast! It's called from the button ticktask */ + /* or the scrollwheel interrupt handler! */ + + const struct button_mapping *items = NULL; + int i = 0; + + if (!global_settings.backlight_on_volume_change) + { + items = get_context_mapping(CONTEXT_WPS); + /* also check action for button release */ + return backlight_on_action(do_button_check(items, btn, BUTTON_NONE, &i)) + && backlight_on_action(do_button_check(items, btn | BUTTON_REL, btn, &i)); + } + else + return true; +} + /* * int get_action_worker(int context, struct button_mapping *user_mappings, int timeout) @@ -173,6 +203,14 @@ send_event(GUI_EVENT_ACTIONUPDATE, NULL); + /* In CONTEXT_WPS we may want to keep the backlight off on certain actions. */ + /* Thus, a callback function is used to check if it should turn on. */ + /* See also button.c */ + if (context == CONTEXT_WPS) + set_backlight_on_keypress_oracle(backlight_on_keypress_oracle); + else + set_backlight_on_keypress_oracle(NULL); + if (timeout == TIMEOUT_NOBLOCK) button = button_get(false); else if (timeout == TIMEOUT_BLOCK) Index: apps/lang/deutsch.lang =================================================================== --- apps/lang/deutsch.lang (Revision 23882) +++ apps/lang/deutsch.lang (Arbeitskopie) @@ -2747,6 +2747,20 @@ + id: LANG_BACKLIGHT_ON_VOLUME_CHANGE + desc: Backlight on volume change and on pause/play + user: core + + *: "Backlight On Volume Change" + + + *: "Beleuchtung bei Änderung der Lautstärke" + + + *: "Beleuchtung bei Änderung der Lautstärke" + + + id: LANG_LCD_SLEEP_AFTER_BACKLIGHT_OFF desc: In display settings, time to switch LCD chip into power saving state user: core Index: apps/lang/english.lang =================================================================== --- apps/lang/english.lang (Revision 23882) +++ apps/lang/english.lang (Arbeitskopie) @@ -2820,6 +2820,20 @@ + id: LANG_BACKLIGHT_ON_VOLUME_CHANGE + desc: Backlight on volume change and on pause/play + user: core + + *: "Backlight on Volume Change" + + + *: "Backlight on Volume Change" + + + *: "Backlight on Volume Change" + + + id: LANG_LCD_SLEEP_AFTER_BACKLIGHT_OFF desc: In display settings, time to switch LCD chip into power saving state user: core Index: apps/settings.h =================================================================== --- apps/settings.h (Revision 23882) +++ apps/settings.h (Arbeitskopie) @@ -694,6 +694,8 @@ then according to timeout_values[] */ bool caption_backlight; /* turn on backlight at end and start of track */ bool bl_filter_first_keypress; /* filter first keypress when dark? */ + bool backlight_on_volume_change; /* turn on the backlight on volume change + and on pause/play? */ #if CONFIG_CHARGING int backlight_timeout_plugged; #endif Index: apps/menus/display_menu.c =================================================================== --- apps/menus/display_menu.c (Revision 23882) +++ apps/menus/display_menu.c (Arbeitskopie) @@ -101,6 +101,9 @@ MENUITEM_SETTING(bl_filter_first_keypress, &global_settings.bl_filter_first_keypress, filterfirstkeypress_callback); +MENUITEM_SETTING(backlight_on_volume_change, + &global_settings.backlight_on_volume_change, + NULL); #ifdef HAVE_LCD_SLEEP_SETTING MENUITEM_SETTING(lcd_sleep_after_backlight_off, &global_settings.lcd_sleep_after_backlight_off, NULL); @@ -138,6 +141,7 @@ ,&backlight_fade_in, &backlight_fade_out #endif ,&bl_filter_first_keypress + ,&backlight_on_volume_change # ifdef HAVE_LCD_SLEEP_SETTING ,&lcd_sleep_after_backlight_off # endif Index: apps/settings_list.c =================================================================== --- apps/settings_list.c (Revision 23882) +++ apps/settings_list.c (Arbeitskopie) @@ -740,6 +740,9 @@ OFFON_SETTING(0, bl_filter_first_keypress, LANG_BACKLIGHT_FILTER_FIRST_KEYPRESS, false, "backlight filters first keypress", NULL), + OFFON_SETTING(0, backlight_on_volume_change, + LANG_BACKLIGHT_ON_VOLUME_CHANGE, true, + "backlight on volume change", NULL), #ifdef HAVE_REMOTE_LCD OFFON_SETTING(0, remote_bl_filter_first_keypress, LANG_BACKLIGHT_FILTER_FIRST_KEYPRESS, false, Index: firmware/export/button.h =================================================================== --- firmware/export/button.h (Revision 23882) +++ firmware/export/button.h (Arbeitskopie) @@ -46,6 +46,23 @@ #endif #ifdef HAVE_BACKLIGHT void set_backlight_filter_keypress(bool value); + +/* Callback function to tell whether the backlight should be turned on + * when a key is pressed. Called just after a key press. + * + * @param btn The button that was pressed + * + * Returns true iff the backlight should be turned on on key press. + */ +typedef bool (*backlight_on_keypress_oracle_func)(int btn); + +/* Sets the new 'oracle' to tell whether the backlight should be turned + * on when a key is pressed. Passing NULL as parameter will turn on the BL + * on every key press. + */ +void set_backlight_on_keypress_oracle(backlight_on_keypress_oracle_func func); +void backlight_on_by_button(int btn); + #ifdef HAVE_REMOTE_LCD void set_remote_backlight_filter_keypress(bool value); #endif Index: firmware/target/arm/ipod/button-clickwheel.c =================================================================== --- firmware/target/arm/ipod/button-clickwheel.c (Revision 23882) +++ firmware/target/arm/ipod/button-clickwheel.c (Arbeitskopie) @@ -128,8 +128,7 @@ new_wheel_value = (status >> 16) & 0x7f; whl = new_wheel_value; - /* switch on backlight (again), reset power-off timer */ - backlight_on(); + /* reset power-off timer */ reset_poweroff_timer(); /* Check whether the scrollwheel was untouched by accident or by will. */ @@ -172,6 +171,9 @@ if (wheel_keycode != BUTTON_NONE) { + /* switch on backlight (again) */ + backlight_on_by_button(wheel_keycode); + long v = (usec - last_wheel_usec) & 0x7fffffff; /* undo signedness */ Index: firmware/target/arm/ipod/button-1g-3g.c =================================================================== --- firmware/target/arm/ipod/button-1g-3g.c (Revision 23882) +++ firmware/target/arm/ipod/button-1g-3g.c (Arbeitskopie) @@ -70,7 +70,6 @@ count = 0; } else if (!was_hold) { - backlight_on(); reset_poweroff_timer(); if (++count == 6) { /* reduce sensitivity */ count = 0; @@ -88,6 +87,8 @@ break; } } + if (wheel_keycode != BUTTON_NONE) + backlight_on_by_button(wheel_keycode); } if (wheel_keycode != BUTTON_NONE && queue_empty(&button_queue)) queue_post(&button_queue, wheel_keycode, 0); Index: firmware/target/arm/ipod/button-mini1g.c =================================================================== --- firmware/target/arm/ipod/button-mini1g.c (Revision 23882) +++ firmware/target/arm/ipod/button-mini1g.c (Arbeitskopie) @@ -68,7 +68,6 @@ count = 0; } else if (!was_hold) { - backlight_on(); reset_poweroff_timer(); if (++count == 6) { /* reduce sensitivity */ count = 0; @@ -86,6 +85,8 @@ break; } } + if (wheel_keycode != BUTTON_NONE) + backlight_on_by_button(wheel_keycode); } if (wheel_keycode != BUTTON_NONE && queue_empty(&button_queue)) queue_post(&button_queue, wheel_keycode, 0); Index: firmware/target/arm/sandisk/sansa-e200/button-e200.c =================================================================== --- firmware/target/arm/sandisk/sansa-e200/button-e200.c (Revision 23882) +++ firmware/target/arm/sandisk/sansa-e200/button-e200.c (Arbeitskopie) @@ -188,19 +188,18 @@ wheel_delta = 1; } - if (TIME_AFTER(current_tick, next_backlight_on) || - v <= 4) - { - /* poke backlight to turn it on or maintain it no more often - than every 1/4 second*/ - next_backlight_on = current_tick + HZ/4; - backlight_on(); - buttonlight_on(); - reset_poweroff_timer(); - } - if (btn != BUTTON_NONE) { + if (TIME_AFTER(current_tick, next_backlight_on) || + v <= 4) + { + /* poke backlight to turn it on or maintain it no more often + than every 1/4 second*/ + next_backlight_on = current_tick + HZ/4; + backlight_on_by_button(btn); + reset_poweroff_timer(); + } + wheel_click_count = 0; /* generate repeats if quick enough */ Index: firmware/drivers/button.c =================================================================== --- firmware/drivers/button.c (Revision 23882) +++ firmware/drivers/button.c (Arbeitskopie) @@ -38,6 +38,7 @@ #else #include "button-target.h" #endif +#include "debug.h" #ifdef HAVE_REMOTE_LCD #include "lcd-remote.h" @@ -61,6 +62,7 @@ #endif #ifdef HAVE_BACKLIGHT static bool filter_first_keypress; +static backlight_on_keypress_oracle_func backlight_on_keypress_oracle = NULL; #ifdef HAVE_REMOTE_LCD static bool remote_filter_first_keypress; #endif @@ -102,6 +104,28 @@ } #endif +void backlight_on_by_button(int btn) +{ + bool bl_on; + if (backlight_on_keypress_oracle != NULL) + { + bl_on = (*backlight_on_keypress_oracle)(btn); + DEBUGF("BL oracle (%d) returned: %d\n", btn, bl_on); + } + else + { + bl_on = true; + DEBUGF("BL callback is NULL -> bl ON\n"); + } + if (bl_on) + { + backlight_on(); +#ifdef HAVE_BUTTON_LIGHT + buttonlight_on(); +#endif + } +} + static void button_tick(void) { static int count = 0; @@ -269,10 +293,13 @@ skip_remote_release = true; } else -#endif - if (!filter_first_keypress || is_backlight_on(false) +#endif /* HAVE_REMOTE_LCD */ + if (!filter_first_keypress + || is_backlight_on(false) + || ((backlight_on_keypress_oracle != NULL) + && !(*backlight_on_keypress_oracle)(btn)) #if BUTTON_REMOTE - || (btn & BUTTON_REMOTE) + || (btn & BUTTON_REMOTE) #endif ) queue_post(&button_queue, btn, data); @@ -288,12 +315,7 @@ remote_backlight_on(); else #endif - { - backlight_on(); -#ifdef HAVE_BUTTON_LIGHT - buttonlight_on(); -#endif - } + backlight_on_by_button(btn); reset_poweroff_timer(); } @@ -414,6 +436,7 @@ #endif #ifdef HAVE_BACKLIGHT filter_first_keypress = false; + set_backlight_on_keypress_oracle(NULL); #ifdef HAVE_REMOTE_LCD remote_filter_first_keypress = false; #endif @@ -526,6 +549,12 @@ { filter_first_keypress = value; } + +void set_backlight_on_keypress_oracle(backlight_on_keypress_oracle_func new_value) +{ + backlight_on_keypress_oracle = new_value; +} + #ifdef HAVE_REMOTE_LCD void set_remote_backlight_filter_keypress(bool value) {