| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2008 by Jonathan Gordon |
| * |
| * 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 <stdlib.h> |
| #include "config.h" |
| #include "lcd.h" |
| #include "lcd-remote.h" |
| #include "font.h" |
| #include "viewport.h" |
| #include "screen_access.h" |
| #include "settings.h" |
| #include "misc.h" |
| |
| /*some short cuts for fg/bg/line selector handling */ |
| #ifdef HAVE_LCD_COLOR |
| #define FG_FALLBACK global_settings.fg_color |
| #define BG_FALLBACK global_settings.bg_color |
| #else |
| #define FG_FALLBACK LCD_DEFAULT_FG |
| #define BG_FALLBACK LCD_DEFAULT_BG |
| #endif |
| #ifdef HAVE_REMOTE_LCD |
| #define REMOTE_FG_FALLBACK LCD_REMOTE_DEFAULT_FG |
| #define REMOTE_BG_FALLBACK LCD_REMOTE_DEFAULT_BG |
| #endif |
| |
| |
| /* all below isn't needed for pc tools (i.e. checkwps/wps editor) |
| * only viewport_parse_viewport() is */ |
| #ifndef __PCTOOL__ |
| #include "string.h" |
| #include "kernel.h" |
| #include "system.h" |
| #include "statusbar.h" |
| #include "appevents.h" |
| #include "panic.h" |
| #ifdef HAVE_LCD_BITMAP |
| #include "language.h" |
| #endif |
| #include "statusbar-skinned.h" |
| #include "debug.h" |
| #include "viewport.h" |
| |
| #define VPSTACK_DEPTH 16 |
| struct viewport_stack_item |
| { |
| struct viewport* vp; |
| bool enabled; |
| }; |
| |
| #ifdef HAVE_LCD_BITMAP |
| static void viewportmanager_redraw(void* data); |
| |
| static int theme_stack_top[NB_SCREENS]; /* the last item added */ |
| static struct viewport_stack_item theme_stack[NB_SCREENS][VPSTACK_DEPTH]; |
| static bool is_theme_enabled(enum screen_type screen); |
| |
| |
| static void toggle_events(bool enable) |
| { |
| if (enable) |
| { |
| add_event(GUI_EVENT_ACTIONUPDATE, false, viewportmanager_redraw); |
| #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP) |
| add_event(LCD_EVENT_ACTIVATION, false, do_sbs_update_callback); |
| #endif |
| add_event(PLAYBACK_EVENT_TRACK_CHANGE, false, |
| do_sbs_update_callback); |
| add_event(PLAYBACK_EVENT_NEXTTRACKID3_AVAILABLE, false, |
| do_sbs_update_callback); |
| } |
| else |
| { |
| #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP) |
| remove_event(LCD_EVENT_ACTIVATION, do_sbs_update_callback); |
| #endif |
| remove_event(PLAYBACK_EVENT_TRACK_CHANGE, do_sbs_update_callback); |
| remove_event(PLAYBACK_EVENT_NEXTTRACKID3_AVAILABLE, do_sbs_update_callback); |
| remove_event(GUI_EVENT_ACTIONUPDATE, viewportmanager_redraw); |
| } |
| } |
| |
| |
| static void toggle_theme(enum screen_type screen, bool force) |
| { |
| bool enable_event = false; |
| static bool was_enabled[NB_SCREENS] = {false}; |
| static bool after_boot[NB_SCREENS] = {false}; |
| int i; |
| |
| FOR_NB_SCREENS(i) |
| { |
| enable_event = enable_event || is_theme_enabled(i); |
| sb_set_title_text(NULL, Icon_NOICON, i); |
| } |
| toggle_events(enable_event); |
| |
| if (is_theme_enabled(screen)) |
| { |
| bool first_boot = theme_stack_top[screen] == 0; |
| /* remove the left overs from the previous screen. |
| * could cause a tiny flicker. Redo your screen code if that happens */ |
| #if LCD_DEPTH > 1 || defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1 |
| screens[screen].backdrop_show(sb_get_backdrop(screen)); |
| #endif |
| if (LIKELY(after_boot[screen]) && (!was_enabled[screen] || force)) |
| { |
| struct viewport deadspace, user; |
| viewport_set_defaults(&user, screen); |
| deadspace = user; /* get colours and everything */ |
| /* above */ |
| deadspace.x = 0; |
| deadspace.y = 0; |
| deadspace.width = screens[screen].lcdwidth; |
| deadspace.height = user.y; |
| if (deadspace.width && deadspace.height) |
| { |
| screens[screen].set_viewport(&deadspace); |
| screens[screen].clear_viewport(); |
| screens[screen].update_viewport(); |
| } |
| /* below */ |
| deadspace.y = user.y + user.height; |
| deadspace.height = screens[screen].lcdheight - deadspace.y; |
| if (deadspace.width && deadspace.height) |
| { |
| screens[screen].set_viewport(&deadspace); |
| screens[screen].clear_viewport(); |
| screens[screen].update_viewport(); |
| } |
| /* left */ |
| deadspace.x = 0; |
| deadspace.y = 0; |
| deadspace.width = user.x; |
| deadspace.height = screens[screen].lcdheight; |
| if (deadspace.width && deadspace.height) |
| { |
| screens[screen].set_viewport(&deadspace); |
| screens[screen].clear_viewport(); |
| screens[screen].update_viewport(); |
| } |
| /* below */ |
| deadspace.x = user.x + user.width; |
| deadspace.width = screens[screen].lcdwidth - deadspace.x; |
| if (deadspace.width && deadspace.height) |
| { |
| screens[screen].set_viewport(&deadspace); |
| screens[screen].clear_viewport(); |
| screens[screen].update_viewport(); |
| } |
| screens[screen].set_viewport(NULL); |
| } |
| intptr_t force = first_boot?0:1; |
| send_event(GUI_EVENT_ACTIONUPDATE, (void*)force); |
| } |
| else |
| { |
| #if LCD_DEPTH > 1 || (defined(LCD_REMOTE_DEPTH) && LCD_REMOTE_DEPTH > 1) |
| screens[screen].backdrop_show(NULL); |
| #endif |
| screens[screen].stop_scroll(); |
| } |
| /* let list initialize viewport in case viewport dimensions is changed. */ |
| send_event(GUI_EVENT_THEME_CHANGED, NULL); |
| FOR_NB_SCREENS(i) |
| was_enabled[i] = is_theme_enabled(i); |
| |
| after_boot[screen] = true; |
| } |
| |
| void viewportmanager_theme_enable(enum screen_type screen, bool enable, |
| struct viewport *viewport) |
| { |
| int top = ++theme_stack_top[screen]; |
| if (top >= VPSTACK_DEPTH-1) |
| panicf("Stack overflow... viewportmanager"); |
| theme_stack[screen][top].enabled = enable; |
| theme_stack[screen][top].vp = viewport; |
| toggle_theme(screen, false); |
| /* then be nice and set the viewport up */ |
| if (viewport) |
| viewport_set_defaults(viewport, screen); |
| } |
| |
| void viewportmanager_theme_undo(enum screen_type screen, bool force_redraw) |
| { |
| int top = --theme_stack_top[screen]; |
| if (top < 0) |
| panicf("Stack underflow... viewportmanager"); |
| |
| toggle_theme(screen, force_redraw); |
| } |
| |
| |
| static bool is_theme_enabled(enum screen_type screen) |
| { |
| int top = theme_stack_top[screen]; |
| return theme_stack[screen][top].enabled; |
| } |
| #endif /* HAVE_LCD_BITMAP */ |
| |
| int viewport_get_nb_lines(const struct viewport *vp) |
| { |
| #ifdef HAVE_LCD_BITMAP |
| return vp->height/font_get(vp->font)->height; |
| #else |
| (void)vp; |
| return 2; |
| #endif |
| } |
| |
| static void viewportmanager_redraw(void* data) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| { |
| #ifdef HAVE_LCD_BITMAP |
| if (is_theme_enabled(i)) |
| sb_skin_update(i, NULL != data); |
| #else |
| (void)data; |
| gui_statusbar_draw(&statusbars.statusbars[i], NULL, NULL); |
| #endif |
| } |
| } |
| |
| void viewportmanager_init() |
| { |
| #ifdef HAVE_LCD_BITMAP |
| int i; |
| FOR_NB_SCREENS(i) |
| { |
| theme_stack_top[i] = -1; /* the next call fixes this to 0 */ |
| /* We always want the theme enabled by default... */ |
| viewportmanager_theme_enable(i, true, NULL); |
| } |
| #else |
| add_event(GUI_EVENT_ACTIONUPDATE, false, viewportmanager_redraw); |
| #endif |
| } |
| |
| #ifdef HAVE_LCD_BITMAP |
| void viewportmanager_theme_changed(const int which) |
| { |
| int i; |
| #ifdef HAVE_BUTTONBAR |
| if (which & THEME_BUTTONBAR) |
| { /* don't handle further, the custom ui viewport ignores the buttonbar, |
| * as does viewport_set_defaults(), since only lists use it*/ |
| screens[SCREEN_MAIN].has_buttonbar = global_settings.buttonbar; |
| } |
| #endif |
| if (which & THEME_UI_VIEWPORT) |
| { |
| } |
| if (which & THEME_LANGUAGE) |
| { |
| } |
| if (which & THEME_STATUSBAR) |
| { |
| FOR_NB_SCREENS(i) |
| { |
| /* This can probably be done better... |
| * disable the theme so it's forced to do a full redraw */ |
| viewportmanager_theme_enable(i, false, NULL); |
| viewportmanager_theme_undo(i, true); |
| } |
| } |
| send_event(GUI_EVENT_THEME_CHANGED, NULL); |
| } |
| |
| #ifdef HAVE_TOUCHSCREEN |
| /* check if a point (x and y coordinates) are within a viewport */ |
| bool viewport_point_within_vp(const struct viewport *vp, |
| const int x, const int y) |
| { |
| bool is_x = (x >= vp->x && x < (vp->x + vp->width)); |
| bool is_y = (y >= vp->y && y < (vp->y + vp->height)); |
| return (is_x && is_y); |
| } |
| #endif /* HAVE_TOUCHSCREEN */ |
| |
| static void set_default_align_flags(struct viewport *vp) |
| { |
| vp->flags &= ~VP_FLAG_ALIGNMENT_MASK; |
| if (UNLIKELY(lang_is_rtl())) |
| vp->flags |= VP_FLAG_ALIGN_RIGHT; |
| } |
| |
| #endif /* HAVE_LCD_BITMAP */ |
| #endif /* __PCTOOL__ */ |
| |
| #ifdef HAVE_LCD_COLOR |
| #define ARG_STRING(_depth) ((_depth) == 2 ? "dddddgg":"dddddcc") |
| #else |
| #define ARG_STRING(_depth) "dddddgg" |
| #endif |
| |
| |
| void viewport_set_fullscreen(struct viewport *vp, |
| const enum screen_type screen) |
| { |
| vp->x = 0; |
| vp->y = 0; |
| vp->width = screens[screen].lcdwidth; |
| vp->height = screens[screen].lcdheight; |
| |
| #ifdef HAVE_LCD_BITMAP |
| #ifndef __PCTOOL__ |
| set_default_align_flags(vp); |
| #endif |
| vp->font = FONT_UI + screen; /* default to UI to discourage SYSFONT use */ |
| vp->drawmode = DRMODE_SOLID; |
| #if LCD_DEPTH > 1 |
| #ifdef HAVE_REMOTE_LCD |
| /* We only need this test if there is a remote LCD */ |
| if (screen == SCREEN_MAIN) |
| #endif |
| { |
| vp->fg_pattern = FG_FALLBACK; |
| vp->bg_pattern = BG_FALLBACK; |
| #ifdef HAVE_LCD_COLOR |
| vp->lss_pattern = global_settings.lss_color; |
| vp->lse_pattern = global_settings.lse_color; |
| vp->lst_pattern = global_settings.lst_color; |
| #endif |
| } |
| #endif |
| |
| #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1 |
| if (screen == SCREEN_REMOTE) |
| { |
| vp->fg_pattern = LCD_REMOTE_DEFAULT_FG; |
| vp->bg_pattern = LCD_REMOTE_DEFAULT_BG; |
| } |
| #endif |
| #endif |
| } |
| |
| void viewport_set_defaults(struct viewport *vp, |
| const enum screen_type screen) |
| { |
| #if defined(HAVE_LCD_BITMAP) && !defined(__PCTOOL__) |
| struct viewport *sbs_area = NULL; |
| if (!is_theme_enabled(screen)) |
| { |
| viewport_set_fullscreen(vp, screen); |
| return; |
| } |
| sbs_area = sb_skin_get_info_vp(screen); |
| |
| if (sbs_area) |
| *vp = *sbs_area; |
| else |
| #endif /* HAVE_LCD_BITMAP */ |
| viewport_set_fullscreen(vp, screen); |
| } |
| |
| |
| #ifdef HAVE_LCD_BITMAP |
| |
| int get_viewport_default_colour(enum screen_type screen, bool fgcolour) |
| { |
| (void)screen; |
| int colour; |
| #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1) |
| if (fgcolour) |
| { |
| #if (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1) |
| if (screen == SCREEN_REMOTE) |
| colour = REMOTE_FG_FALLBACK; |
| else |
| #endif |
| colour = global_settings.fg_color; |
| } |
| else |
| { |
| #if (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1) |
| if (screen == SCREEN_REMOTE) |
| colour = REMOTE_BG_FALLBACK; |
| else |
| #endif |
| colour = global_settings.bg_color; |
| } |
| #endif /* LCD_DEPTH > 1 || LCD_REMOTE_DEPTH > 1 */ |
| return colour; |
| } |
| |
| const char* viewport_parse_viewport(struct viewport *vp, |
| enum screen_type screen, |
| const char *bufptr, |
| const char separator) |
| { |
| /* parse the list to the viewport struct */ |
| const char *ptr = bufptr; |
| uint32_t set = 0; |
| |
| enum { |
| PL_X = 0, |
| PL_Y, |
| PL_WIDTH, |
| PL_HEIGHT, |
| PL_FONT, |
| }; |
| |
| if (!(ptr = parse_list("ddddd", &set, separator, ptr, |
| &vp->x, &vp->y, &vp->width, &vp->height, &vp->font))) |
| return NULL; |
| |
| /* X and Y *must* be set */ |
| if (!LIST_VALUE_PARSED(set, PL_X) || !LIST_VALUE_PARSED(set, PL_Y)) |
| return NULL; |
| /* check for negative values */ |
| if (vp->x < 0) |
| vp->x += screens[screen].lcdwidth; |
| if (vp->y < 0) |
| vp->y += screens[screen].lcdheight; |
| |
| /* fix defaults, |
| * and negative width/height which means "extend to edge minus value */ |
| if (!LIST_VALUE_PARSED(set, PL_WIDTH)) |
| vp->width = screens[screen].lcdwidth - vp->x; |
| else if (vp->width < 0) |
| vp->width = (vp->width + screens[screen].lcdwidth) - vp->x; |
| if (!LIST_VALUE_PARSED(set, PL_HEIGHT)) |
| vp->height = screens[screen].lcdheight - vp->y; |
| else if (vp->height < 0) |
| vp->height = (vp->height + screens[screen].lcdheight) - vp->y; |
| |
| #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1) |
| vp->fg_pattern = get_viewport_default_colour(screen, true); |
| vp->bg_pattern = get_viewport_default_colour(screen, false); |
| #endif /* LCD_DEPTH > 1 || LCD_REMOTE_DEPTH > 1 */ |
| |
| #ifdef HAVE_LCD_COLOR |
| vp->lss_pattern = global_settings.lss_color; |
| vp->lse_pattern = global_settings.lse_color; |
| vp->lst_pattern = global_settings.lst_color; |
| #endif |
| |
| /* Validate the viewport dimensions - we know that the numbers are |
| non-negative integers, ignore bars and assume the viewport takes them |
| * into account */ |
| if ((vp->x >= screens[screen].lcdwidth) || |
| ((vp->x + vp->width) > screens[screen].lcdwidth) || |
| (vp->y >= screens[screen].lcdheight) || |
| ((vp->y + vp->height) > screens[screen].lcdheight)) |
| { |
| return NULL; |
| } |
| |
| /* Default to using the user font if the font was an invalid number or '-' |
| * font 1 is *always* the UI font for the current screen |
| * 2 is always the first extra font */ |
| if (!LIST_VALUE_PARSED(set, PL_FONT)) |
| vp->font = FONT_UI; |
| |
| /* Set the defaults for fields not user-specified */ |
| vp->drawmode = DRMODE_SOLID; |
| #ifndef __PCTOOL__ |
| set_default_align_flags(vp); |
| #endif |
| |
| return ptr; |
| } |
| #endif |