static void draw_error(char *cur, char *msg) {
int width = wincols-5;
nccreate(7, width, "Error!");
attron(A_BOLD);
ncaddstr(2, 2, "Error:");
attroff(A_BOLD);
ncprint(2, 9, "could not open %s", cropstr(cur, width-26));
ncprint(3, 4, "%s", cropstr(msg, width-8));
ncaddstr(5, width-30, "press any key to continue...");
}
static void draw_progress() {
static const char scantext[] = "Scanning...";
static const char loadtext[] = "Loading...";
static size_t anpos = 0;
const char *antext = dir_import_active ? loadtext : scantext;
char ani[16] = {};
size_t i;
int width = wincols-5;
nccreate(10, width, antext);
ncprint(2, 2, "Total items: %-8d", dir_output.items);
if(dir_output.size)
ncprint(2, 23, "size: %s", formatsize(dir_output.size));
ncprint(3, 2, "Current item: %s", cropstr(dir_curpath, width-18));
if (confirm_quit_while_scanning_stage_1_passed)
ncaddstr(8, width-26, "Press y to confirm abort");
else
ncaddstr(8, width-18, "Press q to abort");
/* show warning if we couldn't open a dir */
if(lasterr) {
attron(A_BOLD);
ncaddstr(5, 2, "Warning:");
attroff(A_BOLD);
ncprint(5, 11, "error scanning %-32s", cropstr(lasterr, width-28));
ncaddstr(6, 3, "some directory sizes may not be correct");
}
/* animation - but only if the screen refreshes more than or once every second */
if(update_delay <= 1000) {
if(++anpos == strlen(antext)*2)
anpos = 0;
memset(ani, ' ', strlen(antext));
if(anpos < strlen(antext))
for(i=0; i<=anpos; i++)
ani[i] = antext[i];
else
for(i=strlen(antext)-1; i>anpos-strlen(antext); i--)
ani[i] = antext[i];
} else
strcpy(ani, antext);
ncaddstr(8, 3, ani);
}
void help_draw() {
int i, line;
browse_draw();
nccreate(15, 60, "ncdu help");
ncaddstr(13, 38, "Press q to continue");
if(page == 1)
attron(A_REVERSE);
ncaddstr(0, 30, "1:Keys");
attroff(A_REVERSE);
if(page == 2)
attron(A_REVERSE);
ncaddstr(0, 39, "2:Format");
attroff(A_REVERSE);
if(page == 3)
attron(A_REVERSE);
ncaddstr(0, 50, "3:About");
attroff(A_REVERSE);
switch(page) {
case 1:
line = 1;
for(i=start*2; i<start*2+20; i+=2) {
attron(A_BOLD);
ncaddstr(++line, 13-strlen(keys[i]), keys[i]);
attroff(A_BOLD);
ncaddstr(line, 15, keys[i+1]);
}
if(start != KEYS-10)
ncaddstr(12, 25, "-- more --");
break;
case 2:
attron(A_BOLD);
ncaddstr(2, 3, "X [size] [graph] [file or directory]");
attroff(A_BOLD);
ncaddstr(3, 4, "The X is only present in the following cases:");
attron(A_BOLD);
ncaddch( 5, 4, '!');
ncaddch( 6, 4, '.');
ncaddch( 7, 4, '<');
ncaddch( 8, 4, '>');
ncaddch( 9, 4, '@');
ncaddch(10, 4, 'H');
ncaddch(11, 4, 'e');
attroff(A_BOLD);
ncaddstr( 5, 7, "An error occured while reading this directory");
ncaddstr( 6, 7, "An error occured while reading a subdirectory");
ncaddstr( 7, 7, "File or directory is excluded from the statistics");
ncaddstr( 8, 7, "Directory was on an other filesystem");
ncaddstr( 9, 7, "This is not a file nor a dir (symlink, socket, ...)");
ncaddstr(10, 7, "Same file was already counted (hard link)");
ncaddstr(11, 7, "Empty directory");
break;
case 3:
/* Indeed, too much spare time */
attron(A_REVERSE);
#define x 12
#define y 3
/* N */
ncaddstr(y+0, x+0, " ");
ncaddstr(y+1, x+0, " ");
ncaddstr(y+2, x+0, " ");
ncaddstr(y+3, x+0, " ");
ncaddstr(y+4, x+0, " ");
ncaddstr(y+1, x+4, " ");
ncaddstr(y+2, x+4, " ");
ncaddstr(y+3, x+4, " ");
ncaddstr(y+4, x+4, " ");
/* C */
ncaddstr(y+0, x+8, " ");
ncaddstr(y+1, x+8, " ");
ncaddstr(y+2, x+8, " ");
ncaddstr(y+3, x+8, " ");
ncaddstr(y+4, x+8, " ");
/* D */
ncaddstr(y+0, x+19, " ");
ncaddstr(y+1, x+19, " ");
ncaddstr(y+2, x+15, " ");
ncaddstr(y+3, x+15, " ");
ncaddstr(y+3, x+19, " ");
ncaddstr(y+4, x+15, " ");
/* U */
ncaddstr(y+0, x+23, " ");
ncaddstr(y+1, x+23, " ");
ncaddstr(y+2, x+23, " ");
ncaddstr(y+3, x+23, " ");
ncaddstr(y+0, x+27, " ");
ncaddstr(y+1, x+27, " ");
ncaddstr(y+2, x+27, " ");
ncaddstr(y+3, x+27, " ");
ncaddstr(y+4, x+23, " ");
attroff(A_REVERSE);
ncaddstr(y+0, x+30, "NCurses");
ncaddstr(y+1, x+30, "Disk");
ncaddstr(y+2, x+30, "Usage");
ncprint( y+4, x+30, "%s", PACKAGE_VERSION);
ncaddstr( 9, 7, "Written by Yoran Heling <*****@*****.**>");
ncaddstr(10, 16, "http://dev.yorhel.nl/ncdu/");
break;
}
}
static void browse_draw_info(struct dir *dr) {
struct dir *t;
int i;
nccreate(11, 60, "Item info");
if(dr->hlnk) {
if(info_page == 0)
attron(A_REVERSE);
ncaddstr(0, 41, "1:Info");
attroff(A_REVERSE);
if(info_page == 1)
attron(A_REVERSE);
ncaddstr(0, 50, "2:Links");
attroff(A_REVERSE);
}
switch(info_page) {
case 0:
attron(A_BOLD);
ncaddstr(2, 3, "Name:");
ncaddstr(3, 3, "Path:");
ncaddstr(4, 3, "Type:");
ncaddstr(6, 3, " Disk usage:");
ncaddstr(7, 3, "Apparent size:");
attroff(A_BOLD);
ncaddstr(2, 9, cropstr(dr->name, 49));
ncaddstr(3, 9, cropstr(getpath(dr->parent), 49));
ncaddstr(4, 9, dr->flags & FF_DIR ? "Directory"
: dr->flags & FF_FILE ? "File" : "Other (link, device, socket, ..)");
ncprint(6, 18, "%s (%s B)", formatsize(dr->size), fullsize(dr->size));
ncprint(7, 18, "%s (%s B)", formatsize(dr->asize), fullsize(dr->asize));
break;
case 1:
for(i=0,t=dr->hlnk; t!=dr; t=t->hlnk,i++) {
if(info_start > i)
continue;
if(i-info_start > 5)
break;
ncaddstr(2+i-info_start, 3, cropstr(getpath(t), 54));
}
if(t!=dr)
ncaddstr(8, 25, "-- more --");
break;
}
ncaddstr(9, 32, "Press i to hide this window");
}
void quit_draw() {
browse_draw();
nccreate(4,30, "ncdu confirm quit");
ncaddstr(2,2, "Really quit? (y/N)");
}
void browse_draw() {
struct dir *t;
char fmtsize[9], *tmp;
int selected = 0, i;
erase();
t = dirlist_get(0);
/* top line - basic info */
attron(A_REVERSE);
mvhline(0, 0, ' ', wincols);
mvhline(winrows-1, 0, ' ', wincols);
mvprintw(0,0,"%s %s ~ Use the arrow keys to navigate, press ? for help", PACKAGE_NAME, PACKAGE_VERSION);
if(dir_import_active)
mvaddstr(0, wincols-10, "[imported]");
else if(read_only)
mvaddstr(0, wincols-11, "[read-only]");
attroff(A_REVERSE);
/* second line - the path */
mvhline(1, 0, '-', wincols);
if(t) {
mvaddch(1, 3, ' ');
tmp = getpath(t->parent);
mvaddstr(1, 4, cropstr(tmp, wincols-8));
mvaddch(1, 4+((int)strlen(tmp) > wincols-8 ? wincols-8 : (int)strlen(tmp)), ' ');
}
/* bottom line - stats */
attron(A_REVERSE);
if(t) {
strcpy(fmtsize, formatsize(t->parent->size));
mvprintw(winrows-1, 0, " Total disk usage: %s Apparent size: %s Items: %d",
fmtsize, formatsize(t->parent->asize), t->parent->items);
} else
mvaddstr(winrows-1, 0, " No items to display.");
attroff(A_REVERSE);
/* nothing to display? stop here. */
if(!t)
return;
/* get start position */
t = dirlist_top(0);
/* print the list to the screen */
for(i=0; t && i<winrows-3; t=dirlist_next(t),i++) {
browse_draw_item(t, 2+i);
/* save the selected row number for later */
if(t->flags & FF_BSEL)
selected = i;
}
/* draw message window */
if(message) {
nccreate(6, 60, "Message");
ncaddstr(2, 2, message);
ncaddstr(4, 34, "Press any key to continue");
}
/* draw information window */
t = dirlist_get(0);
if(!message && info_show && t != dirlist_parent)
browse_draw_info(t);
/* move cursor to selected row for accessibility */
move(selected+2, 0);
}
