Nyaaori/rockbox
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity
rockbox/apps/menus/eq_menu.c
Rafaël Carré 2dde958478 eq menu: remove write-only variable 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28137 a1c6a512-1295-4272-9138-f99709370657
2010-09-21 09:10:01 +00:00

607 lines
20 KiB
C
Raw Blame History

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 Dan Everton
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include "eq_menu.h"
#include "system.h"
#include "kernel.h"
#include "lcd.h"
#include "menu.h"
#include "action.h"
#include "mp3_playback.h"
#include "settings.h"
#include "screens.h"
#include "icons.h"
#include "font.h"
#include "lang.h"
#include "talk.h"
#include "misc.h"
#include "sound.h"
#include "dsp.h"
#include "tree.h"
#include "screen_access.h"
#include "keyboard.h"
#include "gui/scrollbar.h"
#include "menu_common.h"
#include "viewport.h"
#include "exported_menus.h"
/*
* Utility functions
*/
const char* eq_q_format(char* buffer, size_t buffer_size, int value, const char* unit)
{
snprintf(buffer, buffer_size, "%d.%d %s", value / EQ_USER_DIVISOR,
value % EQ_USER_DIVISOR, unit);
return buffer;
}
const char* eq_precut_format(char* buffer, size_t buffer_size, int value, const char* unit)
{
snprintf(buffer, buffer_size, "%s%d.%d %s", value == 0 ? " " : "-",
value / EQ_USER_DIVISOR, value % EQ_USER_DIVISOR, unit);
return buffer;
}
/*
* Settings functions
*/
static void eq_apply(void)
{
int i;
dsp_set_eq(global_settings.eq_enabled);
dsp_set_eq_precut(global_settings.eq_precut);
/* Update all bands */
for(i = 0; i < 5; i++) {
dsp_set_eq_coefs(i);
}
}
static int eq_setting_callback(int action, const struct menu_item_ex *this_item)
{
switch (action)
{
case ACTION_ENTER_MENUITEM:
action = lowlatency_callback(action, this_item);
break;
case ACTION_EXIT_MENUITEM:
eq_apply();
action = lowlatency_callback(action, this_item);
break;
}
return action;
}
MENUITEM_SETTING(eq_enable, &global_settings.eq_enabled, eq_setting_callback);
MENUITEM_SETTING(eq_precut, &global_settings.eq_precut, eq_setting_callback);
MENUITEM_SETTING(cutoff_0, &global_settings.eq_band0_cutoff, eq_setting_callback);
MENUITEM_SETTING(cutoff_1, &global_settings.eq_band1_cutoff, eq_setting_callback);
MENUITEM_SETTING(cutoff_2, &global_settings.eq_band2_cutoff, eq_setting_callback);
MENUITEM_SETTING(cutoff_3, &global_settings.eq_band3_cutoff, eq_setting_callback);
MENUITEM_SETTING(cutoff_4, &global_settings.eq_band4_cutoff, eq_setting_callback);
MENUITEM_SETTING(q_0, &global_settings.eq_band0_q, eq_setting_callback);
MENUITEM_SETTING(q_1, &global_settings.eq_band1_q, eq_setting_callback);
MENUITEM_SETTING(q_2, &global_settings.eq_band2_q, eq_setting_callback);
MENUITEM_SETTING(q_3, &global_settings.eq_band3_q, eq_setting_callback);
MENUITEM_SETTING(q_4, &global_settings.eq_band4_q, eq_setting_callback);
MENUITEM_SETTING(gain_0, &global_settings.eq_band0_gain, eq_setting_callback);
MENUITEM_SETTING(gain_1, &global_settings.eq_band1_gain, eq_setting_callback);
MENUITEM_SETTING(gain_2, &global_settings.eq_band2_gain, eq_setting_callback);
MENUITEM_SETTING(gain_3, &global_settings.eq_band3_gain, eq_setting_callback);
MENUITEM_SETTING(gain_4, &global_settings.eq_band4_gain, eq_setting_callback);
static char* gainitem_get_name(int selected_item, void * data, char *buffer)
{
(void)selected_item;
int *setting = (int*)data;
snprintf(buffer, MAX_PATH, str(LANG_EQUALIZER_GAIN_ITEM), *setting);
return buffer;
}
static int gainitem_speak_item(int selected_item, void * data)
{
(void)selected_item;
int *setting = (int*)data;
talk_number(*setting, false);
talk_id(LANG_EQUALIZER_GAIN_ITEM, true);
return 0;
}
static int do_option(void * param)
{
const struct menu_item_ex *setting = (const struct menu_item_ex*)param;
lowlatency_callback(ACTION_ENTER_MENUITEM, setting);
do_setting_from_menu(setting, NULL);
eq_apply();
lowlatency_callback(ACTION_EXIT_MENUITEM, setting);
return 0;
}
MENUITEM_FUNCTION_DYNTEXT(gain_item_0, MENU_FUNC_USEPARAM,
do_option, (void*)&gain_0,
gainitem_get_name, gainitem_speak_item,
&global_settings.eq_band0_cutoff, NULL, Icon_NOICON);
MENUITEM_FUNCTION_DYNTEXT(gain_item_1, MENU_FUNC_USEPARAM,
do_option, (void*)&gain_1,
gainitem_get_name, gainitem_speak_item,
&global_settings.eq_band1_cutoff, NULL, Icon_NOICON);
MENUITEM_FUNCTION_DYNTEXT(gain_item_2, MENU_FUNC_USEPARAM,
do_option, (void*)&gain_2,
gainitem_get_name, gainitem_speak_item,
&global_settings.eq_band2_cutoff, NULL, Icon_NOICON);
MENUITEM_FUNCTION_DYNTEXT(gain_item_3, MENU_FUNC_USEPARAM,
do_option, (void*)&gain_3,
gainitem_get_name, gainitem_speak_item,
&global_settings.eq_band3_cutoff, NULL, Icon_NOICON);
MENUITEM_FUNCTION_DYNTEXT(gain_item_4, MENU_FUNC_USEPARAM,
do_option, (void*)&gain_4,
gainitem_get_name, gainitem_speak_item,
&global_settings.eq_band4_cutoff, NULL, Icon_NOICON);
MAKE_MENU(gain_menu, ID2P(LANG_EQUALIZER_GAIN), NULL, Icon_NOICON, &gain_item_0,
&gain_item_1, &gain_item_2, &gain_item_3, &gain_item_4);
static const struct menu_item_ex *band_items[3][3] = {
{ &cutoff_1, &q_1, &gain_1 },
{ &cutoff_2, &q_2, &gain_2 },
{ &cutoff_3, &q_3, &gain_3 }
};
static char* centerband_get_name(int selected_item, void * data, char *buffer)
{
(void)selected_item;
int band = (intptr_t)data;
snprintf(buffer, MAX_PATH, str(LANG_EQUALIZER_BAND_PEAK), band);
return buffer;
}
static int centerband_speak_item(int selected_item, void * data)
{
(void)selected_item;
int band = (intptr_t)data;
talk_id(LANG_EQUALIZER_BAND_PEAK, false);
talk_number(band, true);
return 0;
}
static int do_center_band_menu(void* param)
{
int band = (intptr_t)param;
struct menu_item_ex menu;
struct menu_callback_with_desc cb_and_desc;
char desc[MAX_PATH];
cb_and_desc.menu_callback = NULL;
snprintf(desc, MAX_PATH, str(LANG_EQUALIZER_BAND_PEAK), band);
cb_and_desc.desc = desc;
cb_and_desc.icon_id = Icon_EQ;
menu.flags = MT_MENU|(3<<MENU_COUNT_SHIFT)|MENU_HAS_DESC;
menu.submenus = band_items[band-1];
menu.callback_and_desc = &cb_and_desc;
do_menu(&menu, NULL, NULL, false);
return 0;
}
MAKE_MENU(band_0_menu, ID2P(LANG_EQUALIZER_BAND_LOW_SHELF), NULL,
Icon_EQ, &cutoff_0, &q_0, &gain_0);
MENUITEM_FUNCTION_DYNTEXT(band_1_menu, MENU_FUNC_USEPARAM,
do_center_band_menu, (void*)1,
centerband_get_name, centerband_speak_item,
(void*)1, NULL, Icon_EQ);
MENUITEM_FUNCTION_DYNTEXT(band_2_menu, MENU_FUNC_USEPARAM,
do_center_band_menu, (void*)2,
centerband_get_name, centerband_speak_item,
(void*)2, NULL, Icon_EQ);
MENUITEM_FUNCTION_DYNTEXT(band_3_menu, MENU_FUNC_USEPARAM,
do_center_band_menu, (void*)3,
centerband_get_name, centerband_speak_item,
(void*)3, NULL, Icon_EQ);
MAKE_MENU(band_4_menu, ID2P(LANG_EQUALIZER_BAND_HIGH_SHELF), NULL,
Icon_EQ, &cutoff_4, &q_4, &gain_4);
MAKE_MENU(advanced_eq_menu_, ID2P(LANG_EQUALIZER_ADVANCED), NULL, Icon_EQ,
&band_0_menu, &band_1_menu, &band_2_menu, &band_3_menu, &band_4_menu);
enum eq_slider_mode {
GAIN,
CUTOFF,
Q,
};
enum eq_type {
LOW_SHELF,
PEAK,
HIGH_SHELF
};
/* Size of just the slider/srollbar */
#define SCROLLBAR_SIZE 6
/* Draw the UI for a whole EQ band */
static int draw_eq_slider(struct screen * screen, int x, int y,
int width, int cutoff, int q, int gain, bool selected,
enum eq_slider_mode mode, int band)
{
char buf[26];
int steps, min_item, max_item;
int abs_gain = abs(gain);
int x1, x2, y1, total_height;
int w, h;
switch(mode) {
case Q:
steps = EQ_Q_MAX - EQ_Q_MIN;
min_item = q - EQ_Q_STEP - EQ_Q_MIN;
max_item = q + EQ_Q_STEP - EQ_Q_MIN;
break;
case CUTOFF:
steps = EQ_CUTOFF_MAX - EQ_CUTOFF_MIN;
min_item = cutoff - EQ_CUTOFF_FAST_STEP * 2;
max_item = cutoff + EQ_CUTOFF_FAST_STEP * 2;
break;
case GAIN:
default:
steps = EQ_GAIN_MAX - EQ_GAIN_MIN;
min_item = abs(EQ_GAIN_MIN) + gain - EQ_GAIN_STEP * 5;
max_item = abs(EQ_GAIN_MIN) + gain + EQ_GAIN_STEP * 5;
break;
}
/* Start two pixels in, one for border, one for margin */
x1 = x + 2;
y1 = y + 2;
/* Print out the band label */
if (band == 0) {
screen->putsxy(x1, y1, "LS: ");
screen->getstringsize("LS:", &w, &h);
} else if (band == 4) {
screen->putsxy(x1, y1, "HS: ");
screen->getstringsize("HS:", &w, &h);
} else {
snprintf(buf, sizeof(buf), "PK%d:", band);
screen->putsxy(x1, y1, buf);
screen->getstringsize(buf, &w, &h);
}
screen->getstringsize("A", &w, &h);
x1 += 5*w; /* 4 chars for label + 1 space = 5 */
/* Print out gain part of status line (left justify after label) */
if (mode == GAIN && selected)
screen->set_drawmode(DRMODE_SOLID | DRMODE_INVERSEVID);
else
screen->set_drawmode(DRMODE_SOLID);
snprintf(buf, sizeof(buf), "%s%2d.%d%s", gain < 0 ? "-" : " ",
abs_gain / EQ_USER_DIVISOR, abs_gain % EQ_USER_DIVISOR,
screen->lcdwidth >= 160 ? "dB" : "");
screen->putsxy(x1, y1, buf);
screen->getstringsize(buf, &w, &h);
x1 += w;
/* Print out Q part of status line (right justify) */
if (mode == Q && selected)
screen->set_drawmode(DRMODE_SOLID | DRMODE_INVERSEVID);
else
screen->set_drawmode(DRMODE_SOLID);
snprintf(buf, sizeof(buf), "%d.%d%s", q / EQ_USER_DIVISOR,
q % EQ_USER_DIVISOR, screen->lcdwidth >= 160 ? " Q" : "");
screen->getstringsize(buf, &w, &h);
x2 = x + width - w - 2;
screen->putsxy(x2, y1, buf);
/* Print out cutoff part of status line (center between gain & Q) */
if (mode == CUTOFF && selected)
screen->set_drawmode(DRMODE_SOLID | DRMODE_INVERSEVID);
else
screen->set_drawmode(DRMODE_SOLID);
snprintf(buf, sizeof(buf), "%5d%s", cutoff,
screen->lcdwidth >= 160 ? "Hz" : "");
screen->getstringsize(buf, &w, &h);
x1 = x1 + (x2 - x1 - w)/2;
screen->putsxy(x1, y1, buf);
/* Draw selection box */
total_height = 3 + h + 1 + SCROLLBAR_SIZE + 3;
screen->set_drawmode(DRMODE_SOLID);
if (selected) {
screen->drawrect(x, y, width, total_height);
}
/* Draw horizontal slider. Reuse scrollbar for this */
gui_scrollbar_draw(screen, x + 3, y1 + h + 1, width - 6, SCROLLBAR_SIZE,
steps, min_item, max_item, HORIZONTAL);
return total_height;
}
/* Draw's all the EQ sliders. Returns the total height of the sliders drawn */
static void draw_eq_sliders(struct screen * screen, int x, int y,
int nb_eq_sliders, int start_item,
int current_band, enum eq_slider_mode mode)
{
int i, gain, q, cutoff;
int height = y;
int *setting = &global_settings.eq_band0_cutoff;
start_item = MIN(start_item, 5-nb_eq_sliders);
for (i=0; i<5; i++) {
cutoff = *setting++;
q = *setting++;
gain = *setting++;
if (i == start_item + nb_eq_sliders)
break;
if (i >= start_item) {
height += draw_eq_slider(screen, x, height, screen->lcdwidth - x - 1,
cutoff, q, gain, i == current_band, mode,
i);
/* add a margin */
height++;
}
}
if (nb_eq_sliders != 5)
gui_scrollbar_draw(screen, 0, y, SCROLLBAR_SIZE - 1,
screen->lcdheight - y, 5,
start_item, start_item + nb_eq_sliders,
VERTICAL);
return;
}
/* Provides a graphical means of editing the EQ settings */
bool eq_menu_graphical(void)
{
bool exit_request = false;
bool result = true;
bool has_changed = false;
int button;
int *setting;
int current_band, x, y, step, fast_step, min, max;
enum eq_slider_mode mode;
char buf[24];
int i, w, h, height, start_item, nb_eq_sliders[NB_SCREENS];
FOR_NB_SCREENS(i)
viewportmanager_theme_enable(i, false, NULL);
FOR_NB_SCREENS(i) {
screens[i].set_viewport(NULL);
screens[i].setfont(FONT_SYSFIXED);
screens[i].clear_display();
/* Figure out how many sliders can be drawn on the screen */
screens[i].getstringsize("A", &w, &h);
/* Total height includes margins (1), text, slider, and line selector (1) */
height = 3 + h + 1 + SCROLLBAR_SIZE + 3;
nb_eq_sliders[i] = screens[i].lcdheight / height;
/* Make sure the "Edit Mode" text fits too */
height = nb_eq_sliders[i]*height + h + 2;
if (height > screens[i].lcdheight)
nb_eq_sliders[i]--;
if (nb_eq_sliders[i] > 5)
nb_eq_sliders[i] = 5;
}
y = h + 1;
/* Start off editing gain on the first band */
mode = GAIN;
current_band = 0;
while (!exit_request) {
FOR_NB_SCREENS(i)
{
screens[i].clear_display();
/* Set pointer to the band data currently editable */
if (mode == GAIN) {
/* gain */
setting = &global_settings.eq_band0_gain;
setting += current_band * 3;
step = EQ_GAIN_STEP;
fast_step = EQ_GAIN_FAST_STEP;
min = EQ_GAIN_MIN;
max = EQ_GAIN_MAX;
snprintf(buf, sizeof(buf), str(LANG_SYSFONT_EQUALIZER_EDIT_MODE),
str(LANG_SYSFONT_GAIN), "(dB)");
screens[i].putsxy(0, 0, buf);
} else if (mode == CUTOFF) {
/* cutoff */
setting = &global_settings.eq_band0_cutoff;
setting += current_band * 3;
step = EQ_CUTOFF_STEP;
fast_step = EQ_CUTOFF_FAST_STEP;
min = EQ_CUTOFF_MIN;
max = EQ_CUTOFF_MAX;
snprintf(buf, sizeof(buf), str(LANG_SYSFONT_EQUALIZER_EDIT_MODE),
str(LANG_SYSFONT_EQUALIZER_BAND_CUTOFF), "(Hz)");
screens[i].putsxy(0, 0, buf);
} else {
/* Q */
setting = &global_settings.eq_band0_q;
setting += current_band * 3;
step = EQ_Q_STEP;
fast_step = EQ_Q_FAST_STEP;
min = EQ_Q_MIN;
max = EQ_Q_MAX;
snprintf(buf, sizeof(buf), str(LANG_SYSFONT_EQUALIZER_EDIT_MODE),
str(LANG_EQUALIZER_BAND_Q), "");
screens[i].putsxy(0, 0, buf);
}
/* Draw scrollbar if needed */
if (nb_eq_sliders[i] != 5)
{
if (current_band == 0) {
start_item = 0;
} else if (current_band == 4) {
start_item = 5 - nb_eq_sliders[i];
} else {
start_item = current_band - 1;
}
x = SCROLLBAR_SIZE;
} else {
x = 1;
start_item = 0;
}
/* Draw equalizer band details */
draw_eq_sliders(&screens[i], x, y, nb_eq_sliders[i], start_item,
current_band, mode);
screens[i].update();
}
button = get_action(CONTEXT_SETTINGS_EQ,TIMEOUT_BLOCK);
switch (button) {
case ACTION_SETTINGS_DEC:
case ACTION_SETTINGS_DECREPEAT:
*(setting) -= step;
has_changed = true;
if (*(setting) < min)
*(setting) = min;
break;
case ACTION_SETTINGS_INC:
case ACTION_SETTINGS_INCREPEAT:
*(setting) += step;
has_changed = true;
if (*(setting) > max)
*(setting) = max;
break;
case ACTION_SETTINGS_INCBIGSTEP:
*(setting) += fast_step;
has_changed = true;
if (*(setting) > max)
*(setting) = max;
break;
case ACTION_SETTINGS_DECBIGSTEP:
*(setting) -= fast_step;
has_changed = true;
if (*(setting) < min)
*(setting) = min;
break;
case ACTION_STD_PREV:
case ACTION_STD_PREVREPEAT:
current_band--;
if (current_band < 0)
current_band = 4; /* wrap around */
break;
case ACTION_STD_NEXT:
case ACTION_STD_NEXTREPEAT:
current_band++;
if (current_band > 4)
current_band = 0; /* wrap around */
break;
case ACTION_STD_OK:
mode++;
if (mode > Q)
mode = GAIN; /* wrap around */
break;
case ACTION_STD_CANCEL:
exit_request = true;
result = false;
break;
default:
if(default_event_handler(button) == SYS_USB_CONNECTED) {
exit_request = true;
result = true;
}
break;
}
/* Update the filter if the user changed something */
if (has_changed) {
dsp_set_eq_coefs(current_band);
has_changed = false;
}
}
/* Reset screen settings */
FOR_NB_SCREENS(i)
{
screens[i].setfont(FONT_UI);
screens[i].clear_display();
screens[i].set_viewport(NULL);
viewportmanager_theme_undo(i, false);
}
return result;
}
static bool eq_save_preset(void)
{
/* make sure that the eq is enabled for setting saving */
bool enabled = global_settings.eq_enabled;
global_settings.eq_enabled = true;
bool result = settings_save_config(SETTINGS_SAVE_EQPRESET);
global_settings.eq_enabled = enabled;
return result;
}
/* Allows browsing of preset files */
static struct browse_folder_info eqs = { EQS_DIR, SHOW_CFG };
MENUITEM_FUNCTION(eq_graphical, 0, ID2P(LANG_EQUALIZER_GRAPHICAL),
(int(*)(void))eq_menu_graphical, NULL, lowlatency_callback,
Icon_EQ);
MENUITEM_FUNCTION(eq_save, 0, ID2P(LANG_EQUALIZER_SAVE),
(int(*)(void))eq_save_preset, NULL, NULL, Icon_NOICON);
MENUITEM_FUNCTION(eq_browse, MENU_FUNC_USEPARAM, ID2P(LANG_EQUALIZER_BROWSE),
browse_folder, (void*)&eqs, lowlatency_callback,
Icon_NOICON);
MAKE_MENU(equalizer_menu, ID2P(LANG_EQUALIZER), NULL, Icon_EQ,
&eq_enable, &eq_graphical, &eq_precut, &gain_menu,
&advanced_eq_menu_, &eq_save, &eq_browse);
Reference in a new issue View git blame Copy permalink