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foxbox/apps/gui/usb_screen.c
William Wilgus dccda8c76f [Bugfix] FS#12436 cache mode strings prior to font disable
by checking string len we can cache the USB hid mode strings

I guess if the user doesn't have enough glyphs they might still
might not get the whole thing but this appears to work with
50 glyphs and the referenced russian language selected

remove call to  GUI_EVENT_ACTIONUPDATE it is now counterproductive

Change-Id: Ica96ed39c7d002fde2d1888e78d2ea18e7c1d61a
2025-03-11 11:41:17 -04:00

356 lines
9.4 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Björn Stenberg
*
* 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 <stdio.h>
#include <stdbool.h>
#include "action.h"
#include "font.h"
#ifdef HAVE_REMOTE_LCD
#include "lcd-remote.h"
#endif
#include "lang.h"
#include "usb.h"
#if defined(HAVE_USBSTACK)
#include "usb_core.h"
#ifdef USB_ENABLE_HID
#include "usb_keymaps.h"
#endif
#endif
#include "settings.h"
#include "led.h"
#include "appevents.h"
#include "usb_screen.h"
#include "skin_engine/skin_engine.h"
#include "playlist.h"
#include "misc.h"
#include "icons.h"
#include "bitmaps/usblogo.h"
#ifdef HAVE_REMOTE_LCD
#include "bitmaps/remote_usblogo.h"
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
#include "ata_mmc.h"
#endif
#ifdef USB_ENABLE_HID
int usb_keypad_mode;
static bool usb_hid;
#endif
#ifndef SIMULATOR
static int handle_usb_events(void)
{
#if (CONFIG_STORAGE & STORAGE_MMC)
int next_update=0;
#endif /* STORAGE_MMC */
/* Don't return until we get SYS_USB_DISCONNECTED or SYS_TIMEOUT */
while(1)
{
int button;
#ifdef USB_ENABLE_HID
if (usb_hid)
{
button = get_hid_usb_action();
/* On mode change, we need to refresh the screen */
if (button == ACTION_USB_HID_MODE_SWITCH_NEXT ||
button == ACTION_USB_HID_MODE_SWITCH_PREV)
{
break;
}
}
else
#endif
{
button = button_get_w_tmo(HZ/2);
/* hid emits the event in get_action */
send_event(GUI_EVENT_ACTIONUPDATE, NULL);
}
switch(button)
{
case SYS_USB_DISCONNECTED:
return 1;
case SYS_CHARGER_DISCONNECTED:
reset_runtime();
break;
case SYS_TIMEOUT:
break;
}
#if (CONFIG_STORAGE & STORAGE_MMC) /* USB-MMC bridge can report activity */
if(TIME_AFTER(current_tick,next_update))
{
if(usb_inserted()) {
led(mmc_usb_active(HZ));
}
next_update=current_tick+HZ/2;
}
#endif /* STORAGE_MMC */
}
return 0;
}
#endif /* SIMULATOR */
#define MODE_NAME_LEN 32
struct usb_screen_vps_t
{
struct viewport parent;
struct viewport logo;
#ifdef USB_ENABLE_HID
struct viewport title;
#endif
};
static void usb_screen_fix_viewports(struct screen *screen,
struct usb_screen_vps_t *usb_screen_vps)
{
int logo_width, logo_height;
struct viewport *parent = &usb_screen_vps->parent;
struct viewport *logo = &usb_screen_vps->logo;
#ifdef HAVE_REMOTE_LCD
if (screen->screen_type == SCREEN_REMOTE)
{
logo_width = BMPWIDTH_remote_usblogo;
logo_height = BMPHEIGHT_remote_usblogo;
}
else
#endif
{
logo_width = BMPWIDTH_usblogo;
logo_height = BMPHEIGHT_usblogo;
}
viewportmanager_theme_enable(screen->screen_type, true, parent);
if (logo_width > parent->width)
logo_width = parent->width;
if (logo_height > parent->height)
logo_height = parent->height;
*logo = *parent;
logo->x = parent->x + parent->width - logo_width;
#ifdef HAVE_LCD_SPLIT
switch (statusbar_position(screen))
{
/* start beyond split */
case STATUSBAR_OFF:
logo->y = parent->y + LCD_SPLIT_POS;
break;
case STATUSBAR_TOP:
logo->y = parent->y + LCD_SPLIT_POS - STATUSBAR_HEIGHT;
break;
/* start at the top for maximum space */
default:
logo->y = parent->y;
break;
}
#else
logo->y = parent->y + (parent->height - logo_height) / 2;
#endif
logo->width = logo_width;
logo->height = logo_height;
#ifdef USB_ENABLE_HID
if (usb_hid)
{
struct viewport *title = &usb_screen_vps->title;
int char_height = font_get(parent->font)->height;
*title = *parent;
title->y = logo->y + logo->height + char_height;
title->height = char_height;
/* try to fit logo and title to parent */
if (parent->y + parent->height < title->y + title->height)
{
logo->y = parent->y;
title->y = parent->y + logo->height;
}
int i =0, langid = LANG_USB_KEYPAD_MODE;
while (langid >= 0) /* ensure the USB mode strings get cached */
{
font_getstringsize(str(langid), NULL, NULL, title->font);
langid = keypad_mode_name_get(i++);
}
}
#endif
}
static void usb_screens_draw(struct usb_screen_vps_t *usb_screen_vps_ar)
{
struct viewport *last_vp;
static const struct bitmap* logos[NB_SCREENS] = {
&bm_usblogo,
#ifdef HAVE_REMOTE_LCD
&bm_remote_usblogo,
#endif
};
FOR_NB_SCREENS(i)
{
struct screen *screen = &screens[i];
struct usb_screen_vps_t *usb_screen_vps = &usb_screen_vps_ar[i];
struct viewport *parent = &usb_screen_vps->parent;
struct viewport *logo = &usb_screen_vps->logo;
last_vp = screen->set_viewport(parent);
screen->clear_viewport();
screen->backlight_on();
screen->set_viewport(logo);
screen->bmp(logos[i], 0, 0);
if (i == SCREEN_MAIN)
{
#ifdef USB_ENABLE_HID
if (usb_hid)
{
char modestring[100];
screen->set_viewport(&usb_screen_vps->title);
usb_screen_vps->title.flags |= VP_FLAG_ALIGN_CENTER;
snprintf(modestring, sizeof(modestring), "%s: %s",
str(LANG_USB_KEYPAD_MODE),
str(keypad_mode_name_get(usb_keypad_mode)));
screen->puts_scroll(0, 0, modestring);
}
#endif /* USB_ENABLE_HID */
}
screen->set_viewport(parent);
screen->set_viewport(last_vp);
screen->update_viewport();
}
}
void gui_usb_screen_run(bool early_usb)
{
#ifdef SIMULATOR /* the sim allows toggling USB fast enough to overflow viewportmanagers stack */
static bool in_usb_screen = false;
if (in_usb_screen)
return;
in_usb_screen = true;
#endif
struct usb_screen_vps_t usb_screen_vps_ar[NB_SCREENS];
#if defined HAVE_TOUCHSCREEN
enum touchscreen_mode old_mode = touchscreen_get_mode();
/* TODO: Paint buttons on screens OR switch to point mode and use
* touchscreen as a touchpad to move the host's mouse cursor */
touchscreen_set_mode(TOUCHSCREEN_BUTTON);
#endif
push_current_activity(ACTIVITY_USBSCREEN);
#ifdef USB_ENABLE_HID
usb_hid = global_settings.usb_hid;
usb_keypad_mode = global_settings.usb_keypad_mode;
#endif
FOR_NB_SCREENS(i)
{
struct screen *screen = &screens[i];
/* we might be coming from anywhere, and the originating screen
* can't be practically expected to cleanup the UI because
* we're invoked via default_event_handler(), therefore we make a
* generic cleanup here */
screen->set_viewport(NULL);
screen->scroll_stop();
usb_screen_fix_viewports(screen, &usb_screen_vps_ar[i]);
}
#if 0 /* handled in usb_screen_fix_viewports() */
/* update the UI before disabling fonts, this maximizes the propability
* that font cache lookups succeed during USB */
send_event(GUI_EVENT_ACTIONUPDATE, NULL);
#endif
if(!early_usb)
{
/* The font system leaves the .fnt fd's open, so we need for force close them all */
font_disable_all();
}
usb_acknowledge(SYS_USB_CONNECTED_ACK);
while (1)
{
usb_screens_draw(usb_screen_vps_ar);
#ifdef SIMULATOR
if (button_get_w_tmo(HZ/2))
break;
send_event(GUI_EVENT_ACTIONUPDATE, NULL);
#else
if (handle_usb_events())
break;
#endif /* SIMULATOR */
}
FOR_NB_SCREENS(i)
{
const struct viewport* vp = NULL;
#if defined(USB_ENABLE_HID)
vp = usb_hid ? &usb_screen_vps_ar[i].title : NULL;
#endif
if (vp)
screens[i].scroll_stop_viewport(vp);
}
#ifdef USB_ENABLE_HID
if (global_settings.usb_keypad_mode != usb_keypad_mode)
{
global_settings.usb_keypad_mode = usb_keypad_mode;
settings_save();
}
#endif
#ifdef HAVE_TOUCHSCREEN
touchscreen_set_mode(old_mode);
#endif
if(!early_usb)
{
font_enable_all();
/* Not pretty, reload all settings so fonts are loaded again correctly */
settings_apply(true);
/* Reload playlist */
playlist_resume();
}
FOR_NB_SCREENS(i)
{
screens[i].backlight_on();
viewportmanager_theme_undo(i, false);
}
pop_current_activity();
#ifdef SIMULATOR
in_usb_screen = false;
#endif
}