397 lines
11 KiB
C
397 lines
11 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2008 by Jonathan Gordon
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdlib.h>
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#include "config.h"
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#include "lcd.h"
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#ifdef HAVE_REMOTE_LCD
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#include "lcd-remote.h"
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#endif
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#include "font.h"
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#include "viewport.h"
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#include "screen_access.h"
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#include "settings.h"
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#include "misc.h"
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#include "list.h"
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/*some short cuts for fg/bg/line selector handling */
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#ifdef HAVE_LCD_COLOR
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#define FG_FALLBACK global_settings.fg_color
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#define BG_FALLBACK global_settings.bg_color
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#else
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#define FG_FALLBACK LCD_DEFAULT_FG
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#define BG_FALLBACK LCD_DEFAULT_BG
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#endif
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#ifdef HAVE_REMOTE_LCD
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#define REMOTE_FG_FALLBACK LCD_REMOTE_DEFAULT_FG
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#define REMOTE_BG_FALLBACK LCD_REMOTE_DEFAULT_BG
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#endif
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/* all below isn't needed for pc tools (i.e. checkwps/wps editor)
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* only viewport_parse_viewport() is */
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#ifndef __PCTOOL__
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#include "string.h"
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#include "kernel.h"
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#include "system.h"
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#include "statusbar.h"
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#include "appevents.h"
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#include "panic.h"
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#ifdef HAVE_LCD_BITMAP
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#include "language.h"
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#endif
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#include "statusbar-skinned.h"
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#include "skin_engine/skin_engine.h"
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#include "debug.h"
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#define VPSTACK_DEPTH 16
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struct viewport_stack_item
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{
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struct viewport* vp;
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bool enabled;
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};
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#ifdef HAVE_LCD_BITMAP
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static void viewportmanager_redraw(unsigned short id, void* data);
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static int theme_stack_top[NB_SCREENS]; /* the last item added */
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static struct viewport_stack_item theme_stack[NB_SCREENS][VPSTACK_DEPTH];
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static bool is_theme_enabled(enum screen_type screen);
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static void toggle_events(bool enable)
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{
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if (enable)
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{
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add_event(GUI_EVENT_ACTIONUPDATE, viewportmanager_redraw);
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#if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
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add_event(LCD_EVENT_ACTIVATION, do_sbs_update_callback);
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#endif
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add_event(PLAYBACK_EVENT_TRACK_CHANGE, do_sbs_update_callback);
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add_event(PLAYBACK_EVENT_NEXTTRACKID3_AVAILABLE, do_sbs_update_callback);
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}
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else
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{
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#if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
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remove_event(LCD_EVENT_ACTIVATION, do_sbs_update_callback);
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#endif
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remove_event(PLAYBACK_EVENT_TRACK_CHANGE, do_sbs_update_callback);
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remove_event(PLAYBACK_EVENT_NEXTTRACKID3_AVAILABLE, do_sbs_update_callback);
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remove_event(GUI_EVENT_ACTIONUPDATE, viewportmanager_redraw);
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}
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}
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static void toggle_theme(enum screen_type screen, bool force)
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{
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bool enable_event = false;
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static bool was_enabled[NB_SCREENS] = {false};
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static bool after_boot[NB_SCREENS] = {false};
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FOR_NB_SCREENS(i)
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{
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enable_event = enable_event || is_theme_enabled(i);
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sb_set_title_text(NULL, Icon_NOICON, i);
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}
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toggle_events(enable_event);
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if (is_theme_enabled(screen))
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{
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bool first_boot = theme_stack_top[screen] == 0;
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/* remove the left overs from the previous screen.
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* could cause a tiny flicker. Redo your screen code if that happens */
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#ifdef HAVE_BACKDROP_IMAGE
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skin_backdrop_show(sb_get_backdrop(screen));
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#endif
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if (LIKELY(after_boot[screen]) && (!was_enabled[screen] || force))
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{
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struct viewport deadspace, user;
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viewport_set_defaults(&user, screen);
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deadspace = user; /* get colours and everything */
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/* above */
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deadspace.x = 0;
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deadspace.y = 0;
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deadspace.width = screens[screen].lcdwidth;
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deadspace.height = user.y;
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if (deadspace.width && deadspace.height)
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{
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screens[screen].set_viewport(&deadspace);
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screens[screen].clear_viewport();
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screens[screen].update_viewport();
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}
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/* below */
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deadspace.y = user.y + user.height;
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deadspace.height = screens[screen].lcdheight - deadspace.y;
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if (deadspace.width && deadspace.height)
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{
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screens[screen].set_viewport(&deadspace);
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screens[screen].clear_viewport();
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screens[screen].update_viewport();
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}
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/* left */
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deadspace.x = 0;
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deadspace.y = 0;
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deadspace.width = user.x;
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deadspace.height = screens[screen].lcdheight;
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if (deadspace.width && deadspace.height)
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{
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screens[screen].set_viewport(&deadspace);
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screens[screen].clear_viewport();
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screens[screen].update_viewport();
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}
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/* below */
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deadspace.x = user.x + user.width;
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deadspace.width = screens[screen].lcdwidth - deadspace.x;
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if (deadspace.width && deadspace.height)
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{
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screens[screen].set_viewport(&deadspace);
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screens[screen].clear_viewport();
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screens[screen].update_viewport();
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}
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screens[screen].set_viewport(NULL);
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}
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intptr_t force = first_boot?0:1;
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send_event(GUI_EVENT_ACTIONUPDATE, (void*)force);
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}
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else
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{
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#if LCD_DEPTH > 1 || (defined(LCD_REMOTE_DEPTH) && LCD_REMOTE_DEPTH > 1)
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screens[screen].backdrop_show(NULL);
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#endif
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screens[screen].scroll_stop();
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skinlist_set_cfg(screen, NULL);
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}
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/* let list initialize viewport in case viewport dimensions is changed. */
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send_event(GUI_EVENT_THEME_CHANGED, NULL);
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FOR_NB_SCREENS(i)
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was_enabled[i] = is_theme_enabled(i);
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#ifdef HAVE_TOUCHSCREEN
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sb_bypass_touchregions(!is_theme_enabled(SCREEN_MAIN));
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#endif
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after_boot[screen] = true;
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}
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void viewportmanager_theme_enable(enum screen_type screen, bool enable,
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struct viewport *viewport)
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{
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int top = ++theme_stack_top[screen];
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if (top >= VPSTACK_DEPTH-1)
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panicf("Stack overflow... viewportmanager");
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theme_stack[screen][top].enabled = enable;
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theme_stack[screen][top].vp = viewport;
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toggle_theme(screen, false);
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/* then be nice and set the viewport up */
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if (viewport)
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viewport_set_defaults(viewport, screen);
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}
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void viewportmanager_theme_undo(enum screen_type screen, bool force_redraw)
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{
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int top = --theme_stack_top[screen];
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if (top < 0)
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panicf("Stack underflow... viewportmanager");
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toggle_theme(screen, force_redraw);
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}
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static bool is_theme_enabled(enum screen_type screen)
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{
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int top = theme_stack_top[screen];
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return theme_stack[screen][top].enabled;
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}
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#endif /* HAVE_LCD_BITMAP */
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int viewport_get_nb_lines(const struct viewport *vp)
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{
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#ifdef HAVE_LCD_BITMAP
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return vp->height/font_get(vp->font)->height;
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#else
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(void)vp;
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return 2;
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#endif
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}
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static void viewportmanager_redraw(unsigned short id, void* data)
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{
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(void)id;
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FOR_NB_SCREENS(i)
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{
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#ifdef HAVE_LCD_BITMAP
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if (is_theme_enabled(i))
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sb_skin_update(i, NULL != data);
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#else
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(void)data;
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gui_statusbar_draw(&statusbars.statusbars[i], NULL, NULL);
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#endif
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}
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}
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void viewportmanager_init()
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{
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#ifdef HAVE_LCD_BITMAP
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FOR_NB_SCREENS(i)
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{
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theme_stack_top[i] = -1; /* the next call fixes this to 0 */
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/* We always want the theme enabled by default... */
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viewportmanager_theme_enable(i, true, NULL);
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}
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#else
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add_event(GUI_EVENT_ACTIONUPDATE, viewportmanager_redraw);
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#endif
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}
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#ifdef HAVE_LCD_BITMAP
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void viewportmanager_theme_changed(const int which)
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{
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if (which & THEME_LANGUAGE)
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{
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}
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if (which & (THEME_STATUSBAR|THEME_UI_VIEWPORT))
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{
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FOR_NB_SCREENS(i)
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{
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/* This can probably be done better...
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* disable the theme so it's forced to do a full redraw */
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viewportmanager_theme_enable(i, false, NULL);
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viewportmanager_theme_undo(i, true);
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}
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}
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send_event(GUI_EVENT_THEME_CHANGED, NULL);
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}
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#ifdef HAVE_TOUCHSCREEN
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/* check if a point (x and y coordinates) are within a viewport */
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bool viewport_point_within_vp(const struct viewport *vp,
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const int x, const int y)
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{
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bool is_x = (x >= vp->x && x < (vp->x + vp->width));
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bool is_y = (y >= vp->y && y < (vp->y + vp->height));
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return (is_x && is_y);
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}
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#endif /* HAVE_TOUCHSCREEN */
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static void set_default_align_flags(struct viewport *vp)
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{
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vp->flags &= ~VP_FLAG_ALIGNMENT_MASK;
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if (UNLIKELY(lang_is_rtl()))
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vp->flags |= VP_FLAG_ALIGN_RIGHT;
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}
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#endif /* HAVE_LCD_BITMAP */
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#endif /* __PCTOOL__ */
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void viewport_set_fullscreen(struct viewport *vp,
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const enum screen_type screen)
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{
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vp->x = 0;
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vp->y = 0;
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vp->width = screens[screen].lcdwidth;
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vp->height = screens[screen].lcdheight;
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#ifdef HAVE_LCD_BITMAP
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#ifndef __PCTOOL__
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set_default_align_flags(vp);
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#endif
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vp->font = screens[screen].getuifont();
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vp->drawmode = DRMODE_SOLID;
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#if LCD_DEPTH > 1
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#ifdef HAVE_REMOTE_LCD
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/* We only need this test if there is a remote LCD */
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if (screen == SCREEN_MAIN)
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#endif
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{
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vp->fg_pattern = FG_FALLBACK;
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vp->bg_pattern = BG_FALLBACK;
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}
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#endif
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#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
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if (screen == SCREEN_REMOTE)
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{
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vp->fg_pattern = LCD_REMOTE_DEFAULT_FG;
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vp->bg_pattern = LCD_REMOTE_DEFAULT_BG;
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}
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#endif
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#endif
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}
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void viewport_set_defaults(struct viewport *vp,
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const enum screen_type screen)
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{
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#if defined(HAVE_LCD_BITMAP) && !defined(__PCTOOL__)
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struct viewport *sbs_area = NULL;
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if (!is_theme_enabled(screen))
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{
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viewport_set_fullscreen(vp, screen);
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return;
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}
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sbs_area = sb_skin_get_info_vp(screen);
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if (sbs_area)
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*vp = *sbs_area;
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else
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#endif /* HAVE_LCD_BITMAP */
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viewport_set_fullscreen(vp, screen);
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}
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#ifdef HAVE_LCD_BITMAP
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int get_viewport_default_colour(enum screen_type screen, bool fgcolour)
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{
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(void)screen; (void)fgcolour;
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#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1)
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int colour;
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if (fgcolour)
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{
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#if (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1)
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if (screen == SCREEN_REMOTE)
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colour = REMOTE_FG_FALLBACK;
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else
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#endif
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#if defined(HAVE_LCD_COLOR)
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colour = global_settings.fg_color;
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#else
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colour = FG_FALLBACK;
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#endif
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}
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else
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{
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#if (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1)
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if (screen == SCREEN_REMOTE)
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colour = REMOTE_BG_FALLBACK;
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else
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#endif
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#if defined(HAVE_LCD_COLOR)
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colour = global_settings.bg_color;
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#else
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colour = BG_FALLBACK;
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#endif
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}
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return colour;
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#else
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return 0;
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#endif /* LCD_DEPTH > 1 || LCD_REMOTE_DEPTH > 1 */
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}
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#endif
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