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ui.c
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ui.c
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/*
* Copyright (C) 2007-2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <linux/input.h>
#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/reboot.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#include <sys/time.h>
#include <stdint.h>
//#include <math.h>
#include "common.h"
#include "minui/minui.h"
#include "bootmenu_ui.h"
#include "extendedcommands.h"
#ifndef MAX_ROWS
#define MAX_COLS 96
#define MAX_ROWS 40
#endif
static int SQUARE_WIDTH=0;
static int SQUARE_TOP=100;
static int SQUARE_RIGHT=20;
static int SQUARE_BOTTOM=0;
static int SQUARE_LEFT=20;
#define ROW_HEIGHT 100
#define STATUSBAR_HEIGHT 40
#define TABCONTROL_HEIGHT 90
static char** tabitems;
static int activeTab = 0;
static int square_inner_top;
static int square_inner_right;
static int square_inner_bottom;
static int square_inner_left;
#define REDRAWTHREAD_SLOW_FPS 1 /* idle state */
#define REDRAWTHREAD_FAST_FPS 60 /* max "fps", for slides */
static int redraw_idle_timeout = 200; /* go to idle after N redraw loops */
static pthread_mutex_t gUpdateMutex = PTHREAD_MUTEX_INITIALIZER;
/* Progress bar, background and other pngs */
static gr_surface gBackgroundIcon[NUM_BACKGROUND_ICONS];
#define PROGRESSBAR_INDETERMINATE_FPS 15
#define PROGRESSBAR_INDETERMINATE_STATES 1
static gr_surface gProgressBarIndeterminate[PROGRESSBAR_INDETERMINATE_STATES];
static gr_surface gProgressBarEmpty;
static gr_surface gProgressBarFill;
static const struct { gr_surface* surface; const char *name; } BITMAPS[] = {
{ &gBackgroundIcon[BACKGROUND_DEFAULT], "background" },
{ &gBackgroundIcon[BACKGROUND_ALT], "background" },
{ &gProgressBarIndeterminate[0], "indeterminate1" },
{ &gProgressBarEmpty, "progress_empty" },
{ &gProgressBarFill, "progress_fill" },
{ NULL, NULL },
};
static gr_surface gCurrentIcon = NULL;
static enum ProgressBarType {
PROGRESSBAR_TYPE_NONE,
PROGRESSBAR_TYPE_INDETERMINATE,
PROGRESSBAR_TYPE_NORMAL,
} gProgressBarType = PROGRESSBAR_TYPE_NONE;
// Progress bar scope of current operation
static float gProgressScopeStart = 0, gProgressScopeSize = 0, gProgress = 0;
static time_t gProgressScopeTime, gProgressScopeDuration;
// Set to 1 when both graphics pages are the same (except for the progress bar)
static int gPagesIdentical = 0;
// Log text overlay, displayed when a magic key is pressed
static char text[MAX_ROWS][MAX_COLS];
static int text_cols = 0, text_rows = 0;
static int text_col = 0, text_row = 0, text_top = 0;
static int show_text = 0;
// Progression % used for battery level
static bool show_percent = true;
static float percent = 0.0;
static struct UiMenuItem *menu;
static int show_menu = 0;
static int menu_items = 0, menu_sel = 0;
static int menu_show_start = 0; // this is line which menu display is starting at
static char menu_headers[MAX_ROWS][MAX_COLS];
static int menu_header_lines = 0;
// Key event input queue
static pthread_mutex_t key_queue_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t key_queue_cond = PTHREAD_COND_INITIALIZER;
static struct ui_input_event key_queue[256];
static int key_queue_len = 0;
static volatile char key_pressed[KEY_MAX + 1];
static int evt_enabled = 0;
// touch-pointer
static int pointerx_start = -1;
static int pointery_start = -1;
static int pointerx = -1;
static int pointery = -1;
static int pointer_start_insidemenu=0;
static struct timeval tvTouchStart;
// scrolling
#define BOUNCEBACK_TIME 200
static int menutop_diff = 0;
static int enable_scrolling = 0;
// bounce
static int enable_bounceback = 0;
static int bounceback_start = 0;
static struct timeval bounceback_start_time;
static int menuToptmp = 0;
static int bounceback_targetpos = 0;
static int show_menu_selection=0;
// threads ids (reset to 0 to stop them)
static pthread_t t_input = 0;
static pthread_t t_redraw = 0;
static pthread_t t_progress = 0;
// Clear the screen and draw the currently selected background icon (if any).
// Should only be called with gUpdateMutex locked.
static void draw_background_locked(gr_surface icon)
{
gPagesIdentical = 0;
gr_color(0, 0, 0, 255);
gr_fill(0, 0, gr_fb_width(), gr_fb_height());
if (icon) {
int iconWidth = gr_get_width(icon);
int iconHeight = gr_get_height(icon);
int iconX = (gr_fb_width() - iconWidth) / 2;
int iconY = (gr_fb_height() - iconHeight) / 2;
gr_blit(icon, 0, 0, iconWidth, iconHeight, iconX, iconY);
}
}
// Draw the progress bar (if any) on the screen. Does not flip pages.
// Should only be called with gUpdateMutex locked.
static void draw_progress_locked()
{
if (gProgressBarType == PROGRESSBAR_TYPE_NONE) return;
int iconHeight = gr_get_height(gBackgroundIcon[BACKGROUND_ALT]);
int width = gr_get_width(gProgressBarEmpty);
int height = gr_get_height(gProgressBarEmpty);
int dx = (gr_fb_width() - width)/2;
int dy = (3*gr_fb_height() + iconHeight - 2*height)/4 - 5;
// Erase behind the progress bar (in case this was a progress-only update)
gr_color(0, 0, 0, 255);
gr_fill(dx, dy, width, height);
if (gProgressBarType == PROGRESSBAR_TYPE_NORMAL) {
float progress = gProgressScopeStart + gProgress * gProgressScopeSize;
int pos = (int) (progress * width);
if (pos > 0) {
gr_blit(gProgressBarFill, 0, 0, pos, height, dx, dy);
}
if (pos < width-1) {
gr_blit(gProgressBarEmpty, pos, 0, width-pos, height, dx+pos, dy);
}
if (pos > 0 && show_percent && percent > 0.0) {
char pct[8];
sprintf(pct, "%3.0f %%", percent * 100);
gr_color(255, 255, 255, 255);
gr_text(dx + 8, dy - 4, pct);
}
}
if (gProgressBarType == PROGRESSBAR_TYPE_INDETERMINATE) {
static int frame = 0;
gr_blit(gProgressBarIndeterminate[frame], 0, 0, width, height, dx, dy);
frame = (frame + 1) % PROGRESSBAR_INDETERMINATE_STATES;
}
}
static void draw_menuitem_selection(int top, int height) {
gr_fill(square_inner_left, top, square_inner_right, top+height);
}
static int get_menuitem_height(int item) {
switch(menu[item].type) {
case MENUITEM_SMALL:
return 80;
break;
case MENUITEM_MINUI_STANDARD:
return 18;
break;
case MENUITEM_FULL:
return 100;
break;
}
return 0;
}
static int draw_menu_item(int top, int item) {
int height=get_menuitem_height(item);
struct UiColor color_text;
struct UiColor color_background;
switch(menu[item].type) {
case MENUITEM_SMALL:
color_text = gr_make_uicolor(255, 255, 255, 255);
color_background = gr_make_uicolor(0, 0, 0, 255);
if(show_menu_selection==1 && menu_sel==item) {
color_text = gr_make_uicolor(0, 0, 0, 255);
color_background = gr_make_uicolor(255, 255, 255, 255);
draw_menuitem_selection(top,height);
}
if(ui_inside_menuitem(item, pointerx_start, pointery_start)==1 && enable_scrolling==0) {
color_text = gr_make_uicolor(0, 0, 0, 255);
if(ui_inside_menuitem(item, pointerx, pointery)==1) {
color_background = gr_make_uicolor(255, 183, 0, 255);
}
else {
color_background = gr_make_uicolor(255, 205, 86, 255);
}
}
// draw background
int bgtop = top;
int bgheight = height;
int cuttop = top+height;
int bgbottom = top+height;
int draw_bottom_line=1;
// don't draw if item is outside of list's viewport
if(bgtop+height>=square_inner_top && bgbottom<=square_inner_bottom+height) {
// cut background at square's top side
if(bgtop<square_inner_top) {
bgheight-= square_inner_top-bgtop;
bgtop = square_inner_top;
}
// cut background and text at sqaure's bottom side
if(bgbottom>square_inner_bottom) {
bgheight-=bgbottom-square_inner_bottom;
bgbottom=square_inner_bottom;
draw_bottom_line=0;
}
// draw background
gr_set_uicolor(color_background);
draw_menuitem_selection(bgtop,bgheight);
// draw text
gr_setfont(FONT_ITEM);
gr_set_uicolor(color_text);
gr_text_cut(square_inner_left, top+height-height/2+gr_getfont_cheight()/2-gr_getfont_cheightfix(), menu[item].title,
square_inner_left, square_inner_right, square_inner_top, bgbottom);
// draw bottom_line
if(draw_bottom_line==1) {
gr_color(164,164,164,255);
gr_drawLine(square_inner_left, top+height-1, square_inner_right, top+height-1, 1);
}
}
break;
case MENUITEM_NULL:
default:
break;
}
return (top+height);
}
static void draw_log_line(int row, const char* t) {
if (t[0] != '\0') {
int yL = square_inner_top+(square_inner_bottom-square_inner_top)+(row+1)*gr_getfont_cheight()-1;
gr_text(square_inner_left-3, yL, t);
gr_drawLine(square_inner_left-3, yL, gr_fb_width(), yL, 4);
}
}
static void draw_text_line(int row, const char* t) {
if (t[0] != '\0') {
gr_text(0, (row+1)*gr_getfont_cwidth()-1, t);
}
}
static int ui_get_menu_top() {
return STATUSBAR_HEIGHT+TABCONTROL_HEIGHT+menutop_diff;
}
static int ui_get_menu_height() {
int i;
int height = 0;
for (i=0; i < menu_items; ++i) {
height+=get_menuitem_height(i);
}
return height;
}
// Redraw everything on the screen. Does not flip pages.
// Should only be called with gUpdateMutex locked.
static void draw_screen_locked(void)
{
if (show_menu != 1) return;
int i;
int marginTop = ui_get_menu_top();
struct timeval bouncediff, tvNow;
gettimeofday(&tvNow, NULL);
if (enable_bounceback == 1) {
timeval_subtract(&bouncediff, &tvNow, &bounceback_start_time);
int t0 = BOUNCEBACK_TIME*1000;
int t1 = t0- (bouncediff.tv_sec*1000000+bouncediff.tv_usec);
int way = abs(bounceback_start-bounceback_targetpos);
//int pway = round((double)way/t0*t1);
int pway = way/t0*t1;
if(pway<=0) {
enable_bounceback=0;
menutop_diff=bounceback_targetpos;
}
else {
if(bounceback_start>bounceback_targetpos) {
menutop_diff=bounceback_targetpos+pway;
}
else {
menutop_diff=bounceback_targetpos-pway;
}
}
}
draw_background_locked(gCurrentIcon);
draw_progress_locked();
if (show_text) {
i = 0;
// for logs, no menu items (define to move later)
#define TAB_LOG 2
if (activeTab != TAB_LOG) {
// draw menu
gr_setfont(FONT_ITEM);
for (; i < menu_items; ++i) {
if (i == menu_sel) {
// draw item
gr_color(0, 0, 0, 255);
marginTop = draw_menu_item(marginTop, i);
} else {
gr_color(255, 255, 255, 255);
marginTop = draw_menu_item(marginTop, i);
}
}
++i;
} else {
//log background
gr_color(50, 50, 50, 160);
gr_fill(0, 0, gr_fb_width(), gr_fb_height());
}
// small font for status bar
gr_setfont(FONT_LOGS);
// draw statusbar
int statusbar_right = 10;
gr_color(0, 0, 0, 160);
gr_fill(0, 0, gr_fb_width(), STATUSBAR_HEIGHT);
// print version
int yBar = gr_getfont_cheight()/2 + STATUSBAR_HEIGHT/2 - gr_getfont_cheightfix();
gr_color(0, 170, 255, 255);
gr_text(0, yBar, "Bootmenu v" BOOTMENU_VERSION);
// draw clock
char str[16]="";
ui_get_time(str);
gr_text(gr_fb_width()/2 - 5*gr_getfont_cwidth()/2, yBar, str);
ui_get_usbstate(str);
gr_text(gr_fb_width()/4 * 3, yBar, str);
#ifdef BOARD_WITH_CPCAP
// draw battery
int level = battery_level();
sprintf(str, "%d%%", level);
gr_text(gr_fb_width() - strlen(str)*gr_getfont_cwidth() - statusbar_right, yBar, str);
#endif
// draw tabcontrol
int tableft=0;
gr_setfont(FONT_HEAD);
gr_color(0, 0, 0, 255);
gr_fill(0, STATUSBAR_HEIGHT, gr_fb_width(), STATUSBAR_HEIGHT+TABCONTROL_HEIGHT);
if(tabitems!=NULL) {
for(i=0; tabitems[i]; ++i) {
int active=0;
if (i==activeTab) active=1;
tableft = drawTab(tableft, tabitems[i], active);
}
}
// draw divider-line
gr_color(0, 170, 255, 255);
gr_drawLine(0, STATUSBAR_HEIGHT+TABCONTROL_HEIGHT, gr_fb_width(), STATUSBAR_HEIGHT+TABCONTROL_HEIGHT, 4);
// draw logs
gr_setfont(FONT_LOGS);
gr_color(192, 192, 192, 255);
if (activeTab == TAB_LOG) {
int row;
int ln_h = gr_getfont_cheight();
int full_rows = (gr_fb_height() - (STATUSBAR_HEIGHT+TABCONTROL_HEIGHT) - 24) / ln_h;
sprintf(str, "%d rows", full_rows);
gr_text(400, STATUSBAR_HEIGHT+TABCONTROL_HEIGHT + 22, str);
for (i=0; i < full_rows; ++i) {
row = (i+text_top) % full_rows;
if (row >= MAX_ROWS) break;
if (strlen(text[row]))
gr_text(2, STATUSBAR_HEIGHT+TABCONTROL_HEIGHT + 22 + ln_h*i, text[row]);
else {
sprintf(str, "%d (%d) empty", i, row);
}
}
} else {
// tailed log on the bottom
for (i=0; i < text_rows; ++i) {
draw_log_line(i, text[(i+text_top) % text_rows]);
}
}
// DEBUG: Pointer-location
gr_color(255, 0, 0, 255);
if (pointerx != -1)
gr_fill(pointerx, pointery, pointerx+10, pointery+10);
}
}
static int drawTab(int left, const char* s, int active)
{
int s_size;
int width;
// count size of string */
for(s_size=0; s[s_size]; ++s_size) {}
width = s_size*gr_getfont_cwidth()+40;
// tab-background
gr_color(0, 0, 0, 255);
gr_fill(left, STATUSBAR_HEIGHT, left+width, STATUSBAR_HEIGHT+TABCONTROL_HEIGHT);
// text
gr_color(255, 255, 255, 255);
gr_text(left+20, STATUSBAR_HEIGHT+gr_getfont_cheight()/2+TABCONTROL_HEIGHT/2-gr_getfont_cheightfix(), s);
// active-marker
if(active==1) {
gr_color(0, 170, 255, 255);
gr_fill(left, STATUSBAR_HEIGHT+TABCONTROL_HEIGHT-10, left+width, STATUSBAR_HEIGHT+TABCONTROL_HEIGHT);
}
return left+width;
}
static void recalcSquare()
{
square_inner_top = ui_get_menu_top();
square_inner_right = gr_fb_width()-SQUARE_RIGHT-SQUARE_WIDTH;
square_inner_bottom = gr_fb_height()-SQUARE_BOTTOM-SQUARE_WIDTH;
square_inner_left = SQUARE_LEFT+SQUARE_WIDTH;
}
// Redraw everything on the screen and flip the screen (make it visible).
// Should only be called with gUpdateMutex locked.
static void update_screen_locked(void)
{
draw_screen_locked();
gr_flip();
}
// Updates only the progress bar, if possible, otherwise redraws the screen.
// Should only be called with gUpdateMutex locked.
static void update_progress_locked(void)
{
/*if (show_text || !gPagesIdentical) {
draw_screen_locked(); // Must redraw the whole screen
gPagesIdentical = 1;
} else {
draw_progress_locked(); // Draw only the progress bar
}
gr_flip();*/
}
// Keeps the progress bar updated, even when the process is otherwise busy.
static void *progress_thread(void *cookie)
{
bool bExitFlag = false;
while (!bExitFlag) {
usleep(1000000 / PROGRESSBAR_INDETERMINATE_FPS);
pthread_mutex_lock(&gUpdateMutex);
// update the progress bar animation, if active
// skip this if we have a text overlay (too expensive to update)
if (gProgressBarType == PROGRESSBAR_TYPE_INDETERMINATE && !show_text) {
update_progress_locked();
}
// move the progress bar forward on timed intervals, if configured
int duration = gProgressScopeDuration;
if (gProgressBarType == PROGRESSBAR_TYPE_NORMAL && duration > 0) {
int elapsed = time(NULL) - gProgressScopeTime;
float progress = 1.0 * elapsed / duration;
if (progress > 1.0) progress = 1.0;
if (progress > gProgress) {
gProgress = progress;
update_progress_locked();
}
}
bExitFlag = (t_progress == 0);
pthread_mutex_unlock(&gUpdateMutex);
}
return NULL;
}
// Reads input events, handles special hot keys, and adds to the key queue.
static void *input_thread(void *cookie)
{
int rel_sum = 0;
int fake_key = 0;
int drag = 0;
bool bExitFlag = false;
while (!bExitFlag) {
// wait for the next key event
struct input_event ev;
struct ui_input_event uev;
int state = 0;
do {
ev_get(&ev, 0);
uev.time = ev.time;
uev.type = ev.type;
uev.code = ev.code;
uev.value = ev.value;
uev.utype = UINPUTEVENT_TYPE_KEY;
uev.posx = -1;
uev.posy = -1;
if (ev.type == EV_SYN) {
continue;
} else if (ev.type == EV_REL) {
if (ev.code == REL_Y) {
// accumulate the up or down motion reported by
// the trackball. When it exceeds a threshold
// (positive or negative), fake an up/down
// key event.
rel_sum += ev.value;
if (rel_sum > 3) {
fake_key = 1;
ev.type = EV_KEY;
ev.code = KEY_DOWN;
ev.value = 1;
rel_sum = 0;
} else if (rel_sum < -3) {
fake_key = 1;
ev.type = EV_KEY;
ev.code = KEY_UP;
ev.value = 1;
rel_sum = 0;
}
}
} else if (ev.type == EV_ABS) {
int x, y;
uev.posx = x = ev.value >> 16;
uev.posy = y = ev.value & 0xFFFF;
if (ev.code == 0) {
if (state == 0) {
uev.utype = UINPUTEVENT_TYPE_TOUCH_RELEASE;
}
state = 0;
drag = 0;
} else {
if (!drag) {
uev.utype = UINPUTEVENT_TYPE_TOUCH_START;
drag=1;
} else if (state == 0) {
uev.utype = UINPUTEVENT_TYPE_TOUCH_DRAG;
}
}
}
else {
rel_sum = 0;
}
} while ((ev.type != EV_KEY && ev.type != EV_ABS) || ev.code > KEY_MAX);
pthread_mutex_lock(&key_queue_mutex);
if (!fake_key) {
// our "fake" keys only report a key-down event (no
// key-up), so don't record them in the key_pressed
// table.
key_pressed[ev.code] = ev.value;
redraw_idle_timeout = 50;
}
fake_key = 0;
const int queue_max = sizeof(key_queue) / sizeof(key_queue[0]);
if (ev.value > 0 && key_queue_len < queue_max) {
key_queue[key_queue_len++] = uev;
pthread_cond_signal(&key_queue_cond);
}
pthread_mutex_unlock(&key_queue_mutex);
if (ev.type!= EV_ABS && ev.value > 0 && device_toggle_display(key_pressed, ev.code)) {
ui_setTab_next();
//pthread_mutex_lock(&gUpdateMutex);
//int tab = ui_get_activeTab();
// show_text = (tab != 2);
// update_screen_locked();
//pthread_mutex_unlock(&gUpdateMutex);
}
if (ev.value > 0 && device_reboot_now(key_pressed, ev.code)) {
reboot(RB_AUTOBOOT);
}
bExitFlag = (t_input == 0);
} // thread loop
return NULL;
}
/**
* Refresh the ui
*
* Note: use "idle" REDRAWTHREAD_SLOW_FPS when finger doesnt touch the screen.
*/
static void *redraw_thread(void *cookie)
{
bool bNeedExit = false;
int sleep_time = 10000;
int counter = 0;
while (!bNeedExit) {
usleep(sleep_time);
pthread_mutex_lock(&gUpdateMutex);
sleep_time = 1000000 / (redraw_idle_timeout > 0 ? REDRAWTHREAD_FAST_FPS : (REDRAWTHREAD_SLOW_FPS*5));
counter = (counter+1) % 5;
// skip 4/5 of the "slow" redraw work in idle state, to reduce the maximum wait on exit from idle
if ((redraw_idle_timeout || !counter)) {
update_screen_locked();
redraw_idle_timeout-=10;
if (redraw_idle_timeout < 0) redraw_idle_timeout = 0;
}
bNeedExit = (t_redraw == 0);
pthread_mutex_unlock(&gUpdateMutex);
}
return NULL;
}
int ui_create_bitmaps()
{
int i, result=0;
for (i = 0; BITMAPS[i].name != NULL; ++i) {
result = res_create_surface(BITMAPS[i].name, BITMAPS[i].surface);
if (result < 0) {
if (result == -2) {
LOGI("Bitmap %s missing header\n", BITMAPS[i].name);
} else {
LOGE("Missing bitmap %s\n(Code %d)\n", BITMAPS[i].name, result);
}
*BITMAPS[i].surface = NULL;
}
}
return result;
}
void ui_init(void)
{
gr_init();
ev_init();
recalcSquare();
text_col = text_row = 0;
text_rows = gr_fb_height() / ROW_HEIGHT;
if (text_rows > MAX_ROWS) text_rows = MAX_ROWS;
text_top = 1;
text_cols = gr_fb_width() / gr_getfont_cwidth();
if (text_cols > MAX_COLS - 1) text_cols = MAX_COLS - 1;
ui_create_bitmaps();
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_create(&t_progress, &attr, progress_thread, NULL);
pthread_attr_init(&attr);
pthread_create(&t_input, &attr, input_thread, NULL);
evt_enabled = 1;
pthread_attr_init(&attr);
pthread_create(&t_redraw, &attr, redraw_thread, NULL);
}
void ui_free_bitmaps(void)
{
int i;
//free bitmaps
for (i = 0; BITMAPS[i].name != NULL; ++i) {
if (BITMAPS[i].surface != NULL) {
ui_print("free bitmap %d @ %x\n", i, (unsigned) BITMAPS[i].surface);
res_free_surface(BITMAPS[i].surface);
}
}
}
void evt_init(void)
{
ev_init();
if (!evt_enabled && t_input == 0) {
pthread_create(&t_input, NULL, input_thread, NULL);
}
evt_enabled = 1;
}
void evt_exit(void)
{
if (evt_enabled) {
if (t_input != 0) {
pthread_detach(t_input);
t_input = 0;
usleep(1000);
}
ev_exit();
}
evt_enabled = 0;
}
void ui_stop_redraw(void)
{
if (t_redraw) {
pthread_detach(t_redraw);
t_redraw = 0;
usleep(1000);
}
}
void ui_resume_redraw(void)
{
if (t_redraw) return;
pthread_create(&t_redraw, NULL, redraw_thread, NULL);
}
void ui_final(void)
{
evt_exit();
ui_show_text(0);
ui_stop_redraw();
gr_exit();
//ui_free_bitmaps();
}
void ui_set_background(int icon)
{
pthread_mutex_lock(&gUpdateMutex);
gCurrentIcon = gBackgroundIcon[icon];
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_show_indeterminate_progress()
{
pthread_mutex_lock(&gUpdateMutex);
if (gProgressBarType != PROGRESSBAR_TYPE_INDETERMINATE) {
gProgressBarType = PROGRESSBAR_TYPE_INDETERMINATE;
update_progress_locked();
}
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_show_progress(float portion, int seconds)
{
pthread_mutex_lock(&gUpdateMutex);
gProgressBarType = PROGRESSBAR_TYPE_NORMAL;
gProgressScopeStart += gProgressScopeSize;
gProgressScopeSize = portion;
gProgressScopeTime = time(NULL);
gProgressScopeDuration = seconds;
gProgress = 0;
percent = gProgressScopeStart;
update_progress_locked();
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_set_progress(float fraction)
{
pthread_mutex_lock(&gUpdateMutex);
if (fraction < 0.0) fraction = 0.0;
if (fraction > 1.0) fraction = 1.0;
percent = gProgressScopeStart + (fraction * gProgressScopeSize);
if (gProgressBarType == PROGRESSBAR_TYPE_NORMAL && fraction > gProgress) {
// Skip updates that aren't visibly different.
int width = gr_get_width(gProgressBarIndeterminate[0]);
float scale = width * gProgressScopeSize;
if ((int) (gProgress * scale) != (int) (fraction * scale)) {
gProgress = fraction;
update_progress_locked();
}
}
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_reset_progress()
{
pthread_mutex_lock(&gUpdateMutex);
gProgressBarType = PROGRESSBAR_TYPE_NONE;
gProgressScopeStart = gProgressScopeSize = 0;
gProgressScopeTime = gProgressScopeDuration = 0;
gProgress = 0;
percent = 0.0;
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_print_str(char *str) {
char buf[256]="";
snprintf(buf, 255, "%s", str);
fputs(buf, stdout);
// safety..
if (text_rows >= MAX_ROWS)
text_rows = MAX_ROWS-1;
if (text_cols >= MAX_COLS)
text_cols = MAX_COLS-1;
// This can get called before ui_init(), so be careful.
pthread_mutex_lock(&gUpdateMutex);
if (text_rows > 0 && text_cols > 0) {
char *ptr;
for (ptr = buf; *ptr != '\0'; ++ptr) {
if (*ptr == '\n' || text_col >= text_cols) {
text[text_row][text_col] = '\0';
text_col = 0;
text_row = (text_row + 1) % text_rows;
if (text_row == text_top) text_top = (text_top + 1) % text_rows;
}
if (*ptr != '\n') text[text_row][text_col++] = *ptr;
}
text[text_row][text_col] = '\0';
}
pthread_mutex_unlock(&gUpdateMutex);
}
void ui_print(const char *fmt, ...)
{
char buf[256];
va_list ap;
va_start(ap, fmt);
vsnprintf(buf, 256, fmt, ap);
va_end(ap);
ui_print_str(buf);
}
void ui_start_menu(char** headers, char** tabs, struct UiMenuItem* items, int initial_selection) {
int i;
pthread_mutex_lock(&gUpdateMutex);
if (text_rows > 0 && text_cols > 0) {
tabitems=tabs;
menu=items;
for (i = 0; i < MAX_ROWS; ++i) {
if (headers[i] == NULL) break;
strncpy(menu_headers[i], headers[i], text_cols-1);
menu_headers[i][text_cols-1] = '\0';
}
menu_header_lines = i;
// count menuitems
for (i = 0; i < MAX_ROWS; ++i) {
if (items[i].type == MENUITEM_NULL) break;
}
menu_items = i;
show_menu = 1;
menu_sel = initial_selection;
menutop_diff=0;
}
pthread_mutex_unlock(&gUpdateMutex);
}
int ui_menu_select(int sel) {
int old_sel;
pthread_mutex_lock(&gUpdateMutex);
if (show_menu > 0) {
old_sel = menu_sel;
menu_sel = sel;
if (menu_sel < 0) menu_sel = menu_items + menu_sel;
if (menu_sel >= menu_items) menu_sel = menu_sel - menu_items;
if (menu_sel < menu_show_start && menu_show_start > 0) {
menu_show_start = menu_sel;
}
if (menu_sel - menu_show_start >= text_rows) {
menu_show_start = menu_sel - text_rows + 1;
}
sel = menu_sel;
}
pthread_mutex_unlock(&gUpdateMutex);
fprintf(stdout, "selection: %d\n", sel);fflush(stdout);
return sel;
}
void ui_end_menu() {
int i;
pthread_mutex_lock(&gUpdateMutex);
if (show_menu > 0) {
show_menu = 0;
}
pthread_mutex_unlock(&gUpdateMutex);
}
int ui_text_visible()
{
pthread_mutex_lock(&gUpdateMutex);
int visible = show_text;
pthread_mutex_unlock(&gUpdateMutex);
return visible;
}
void ui_show_text(int visible)