static void update_title_win(struct view *view)
{
size_t len;
if (view == display[current_view])
wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS));
#ifdef yaomoon
fprintf(moon_log,"get linue red attr =%d\n",get_line_attr(LINE_TITLE_FOCUS));
#endif
werase(view->title);
wmove(view->title, 0, 0);
wprintw(view->title, "[RPathN]");
wmove(view->title, 0, 9);
waddstr(view->title, view->file);
len = strlen(view->file);
wmove(view->title, 0, len + 13);
if (view->lines) {
wprintw(view->title, "line %d of %d (%d%%)",
view->lineno + 1,
view->lines,
(view->lineno + 1) * 100 / view->lines);
}
wclrtoeol(view->title);
wrefresh(view->title);
}
static inline void
set_view_attr(struct view *view, enum line_type type)
{
if (!view->curline->selected && view->curtype != type) {
(void) wattrset(view->win, get_line_attr(type));
wchgat(view->win, -1, 0, get_line_color(type), NULL);
view->curtype = type;
}
}
static void
redraw_display_separator(bool clear)
{
if (displayed_views() > 1 && vertical_split_is_enabled()) {
chtype separator = opt_line_graphics ? ACS_VLINE : '|';
if (clear)
wclear(display_sep);
wbkgd(display_sep, separator + get_line_attr(NULL, LINE_TITLE_BLUR));
wnoutrefresh(display_sep);
}
}
static void
redraw_display_separator(bool clear)
{
if (display_sep) {
chtype separator = opt_line_graphics ? ACS_VLINE : '|';
if (clear)
wclear(display_sep);
wbkgd(display_sep, separator + get_line_attr(NULL, LINE_TITLE_BLUR));
wnoutrefresh(display_sep);
}
}
static void init(void)
{
int x, y;
#ifdef yaomoon
moon_log = fopen("moon_log","w+");
#endif
/* Initialize the curses library */
if (isatty(STDIN_FILENO)) {
cursed = !!initscr();
} else {
/* Leave stdin and stdout alone when acting as a pager. */
FILE *io = fopen("/dev/tty", "r+");
cursed = !!newterm(NULL, io, io);
}
if (!cursed)
die("Failed to initialize curses");
nonl(); /* tell curses not to do NL->CR/NL on output */
cbreak(); /* take input chars one at a time, no wait for \n */
noecho(); /* don't echo input */
leaveok(stdscr, TRUE);
if (has_colors())
{
init_colors();
}
getmaxyx(stdscr, y, x);
#ifdef yaomoon
fprintf(moon_log,"getmaxyx y=%d\n",y);
fprintf(moon_log,"getmaxyx x=%d\n",x);
#endif
status_win = newwin(1, 0, y - 10, 0);
if (!status_win)
die("failed to create status window");
keypad(status_win, TRUE);
wbkgdset(status_win, get_line_attr(LINE_STATUS));
}
static void update_title_win(struct view *view)
{
if (view == display[current_view])
wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS));
werase(view->title);
wmove(view->title, 0, 0);
if (view->lines) {
wprintw(view->title, "line %d of %d (%d%%)",
view->lineno + 1,
view->lines,
(view->lineno + 1) * 100 / view->lines);
}
wclrtoeol(view->title);
wrefresh(view->title);
}
void
init_display(void)
{
const char *term;
int x, y;
die_callback = done_display;
/* XXX: Restore tty modes and let the OS cleanup the rest! */
if (atexit(done_display))
die("Failed to register done_display");
/* Initialize the curses library */
if (isatty(STDIN_FILENO)) {
cursed = !!initscr();
opt_tty = stdin;
} else {
/* Leave stdin and stdout alone when acting as a pager. */
opt_tty = fopen("/dev/tty", "r+");
if (!opt_tty)
die("Failed to open /dev/tty");
cursed = !!newterm(NULL, opt_tty, opt_tty);
}
if (!cursed)
die("Failed to initialize curses");
nonl(); /* Disable conversion and detect newlines from input. */
cbreak(); /* Take input chars one at a time, no wait for \n */
noecho(); /* Don't echo input */
leaveok(stdscr, FALSE);
if (has_colors())
init_colors();
getmaxyx(stdscr, y, x);
status_win = newwin(1, x, y - 1, 0);
if (!status_win)
die("Failed to create status window");
/* Enable keyboard mapping */
keypad(status_win, TRUE);
wbkgdset(status_win, get_line_attr(NULL, LINE_STATUS));
enable_mouse(opt_mouse);
#if defined(NCURSES_VERSION_PATCH) && (NCURSES_VERSION_PATCH >= 20080119)
set_tabsize(opt_tab_size);
#else
TABSIZE = opt_tab_size;
#endif
term = getenv("XTERM_VERSION") ? NULL : getenv("COLORTERM");
if (term && !strcmp(term, "gnome-terminal")) {
/* In the gnome-terminal-emulator, the message from
* scrolling up one line when impossible followed by
* scrolling down one line causes corruption of the
* status line. This is fixed by calling wclear. */
use_scroll_status_wclear = TRUE;
use_scroll_redrawwin = FALSE;
} else if (term && !strcmp(term, "xrvt-xpm")) {
/* No problems with full optimizations in xrvt-(unicode)
* and aterm. */
use_scroll_status_wclear = use_scroll_redrawwin = FALSE;
} else {
/* When scrolling in (u)xterm the last line in the
* scrolling direction will update slowly. */
use_scroll_redrawwin = TRUE;
use_scroll_status_wclear = FALSE;
}
}
/**
* This function is used to draw the ls output,
* we store all the output of the ls into a global
* struct lsview. so we render each item one by one
* and support the scroll.
* */
void
Draw_LS_OutPut()
{
int totallines = lsview->fileno;
int i,highlight,j=0;
int start, end;
enum line_type type;
start = 0;
highlight = g_current + g_change;
if(highlight <= 0)
{
mvwaddstr(status_win,0,0,"At the top");
highlight = 0;
}else if(highlight <= LINES - 2){
if(highlight == totallines) {/*mean at the end */
mvwaddstr(status_win,0,0,"At the end");
highlight = totallines - 1;
}
}else
{
start = highlight - LINES + 2; /*hide one line*/
//end = highlight+1; /*current line is hightghit - 1*/
if(highlight == totallines ){ /*really at the end of the array*/
mvwaddstr(status_win,0,0,"Hit the bottom");
highlight = totallines - 1;
start=highlight - LINES + 1;
}
}
if(totallines <= LINES-1)
end = totallines; /*not overlap the screen*/
else if(totallines >= LINES)
end = start + LINES;
werase(stdscr);
for(i = start; i < end; i++)
{
if(i == highlight)
{
snprintf(vim_cmd,sizeof(vim_cmd), VIM_CMD,lsview->fileinfo[i].name);
type = LINE_CURSOR;
g_current = i;
wattrset(stdscr, get_line_attr(type));
wchgat(stdscr,-1,0,type,NULL);
}else{
type = LINE_FILE_LINCON;
wchgat(stdscr,-1,0,type,NULL);
wattrset(stdscr,get_line_attr(LINE_FILE_NAME));
}
/*set filename, size and type*/
if(type != LINE_CURSOR){
wattrset(stdscr,get_line_attr(LINE_FILE_NAME));
mvwaddstr(stdscr,j,0,lsview->fileinfo[i].name);
}else{
mvwaddstr(stdscr,j,0,lsview->fileinfo[i].name);
}
//wmove(stdscr,i,40);
if(type != LINE_CURSOR){
wattrset(stdscr,get_line_attr(LINE_FILE_LINUM));
}
mvwaddstr(stdscr,j,40,lsview->fileinfo[i].size);
//wmove(stdscr,i,60);
if(type != LINE_CURSOR){
wattrset(stdscr, get_line_attr(LINE_DELIMITER));
}
mvwaddstr(stdscr,j,60,lsview->fileinfo[i].type);
mvwaddch(stdscr,j,COLS-1,'\n');
j++; /*j control the screen loop*/
}
g_change = 0; /*clear the offset*/
}
void
Draw_Find_OutPut(void)
{
int totallines = fdview->lineidx;
int i,highlight, j = 0;
int start =0,end = 0;
enum line_type type;
start = 0;
highlight = g_current + g_change;
if(highlight < 0){
mvwaddstr(status_win,0,0,"At the top");
highlight = 0;
}else if(highlight < LINES -2){
if(highlight == totallines) {
mvwaddstr(status_win,0,0,"At the end");
highlight = totallines - 1;
}
}else{
start = highlight - LINES + 2;
if(highlight == totallines){
mvwaddstr(status_win,0,0,"Hit the bottom");
highlight = totallines - 1;
start = highlight - LINES + 1;
}
}
if(totallines < LINES - 1)
end = totallines;
else if(totallines >= LINES)
end = start + LINES;
werase(stdscr);
for(i = start; i < end; i++){
if(i == highlight){
snprintf(vim_cmd,sizeof(vim_cmd),VIM_CMD_FIND,fdview->findinfo[i].path,fdview->findinfo[i].name);
type = LINE_CURSOR;
g_current = i;
wattrset(stdscr,get_line_attr(type));
wchgat(stdscr,-1,0,type,NULL);
}else{
type = LINE_FILE_LINCON;
wchgat(stdscr,-1,0,type,NULL);
wattrset(stdscr,get_line_attr(LINE_FILE_NAME));
}
if(type != LINE_CURSOR){
wattrset(stdscr,get_line_attr(LINE_FILE_NAME));
mvwaddstr(stdscr,j,0,fdview->findinfo[i].path);
}else{
mvwaddstr(stdscr,j,0,fdview->findinfo[i].path);
}
if(type != LINE_CURSOR){
wattrset(stdscr,get_line_attr(LINE_FILE_LINUM));
}
right_trim(fdview->findinfo[i].name);
mvwaddstr(stdscr,j,35,fdview->findinfo[i].name);
if(type != LINE_CURSOR){
wattrset(stdscr,get_line_attr(LINE_DELIMITER));
}
mvwaddstr(stdscr,j,60,fdview->findinfo[i].type);
mvwaddch(stdscr,j,COLS-1,'\n');
j++;
}
g_change = 0;
}
static bool default_render(struct view *view, unsigned int lineno)
{
struct fileinfo *fileinfo;
enum line_type type;
int col = 0;
size_t numberlen;
size_t namelen;
char *fname, *fnumber;
if (view->offset + lineno >= view->lines)
return false;
fileinfo = view->line[view->offset + lineno];
if (!*fileinfo->name)
return false;
wmove(view->win, lineno, col);
if (view->offset + lineno == view->lineno) {
fnumber = fileinfo->number;
fname = fileinfo->name;
snprintf(vim_cmd, sizeof(vim_cmd), VIM_CMD, fnumber, fname);
type = LINE_CURSOR;
wattrset(view->win, get_line_attr(type));
wchgat(view->win, -1, 0, type, NULL);
} else {
type = LINE_FILE_LINCON;
wchgat(view->win, -1, 0, type, NULL);
wattrset(view->win, get_line_attr(LINE_FILE_NAME));
}
waddstr(view->win, fileinfo->name);
namelen = strlen(fileinfo->name);
col += 20;
wmove(view->win, lineno, col);
if (type != LINE_CURSOR)
wattrset(view->win, get_line_attr(LINE_FILE_LINUM));
waddstr(view->win, fileinfo->number);
numberlen = strlen(fileinfo->number);
col += 7;
if (type != LINE_CURSOR)
wattrset(view->win, A_NORMAL);
wmove(view->win, lineno, col + 2);
col += 2;
if (type != LINE_CURSOR)
wattrset(view->win, get_line_attr(type));
int contentlen = strlength(fileinfo->content);
if (col + contentlen > view->width)
contentlen = view->width - col - 20;
if (contentlen > 0)
waddnstr(view->win, fileinfo->content, contentlen);
else
waddnstr(view->win, fileinfo->content, 4);
return TRUE;
}
static bool default_render(struct view *view, unsigned int lineno)
{
struct fileinfo *fileinfo;
enum line_type type;
int col = 0;
size_t namelen;
char *fname, *fnumber;
int opt_file_name = 25;
char text[SIZEOF_STR];
if (view->offset + lineno >= view->lines)
return false;
fileinfo = view->line[view->offset + lineno];
if (!*fileinfo->name)
return false;
fnumber = fileinfo->number;
fname = blankspace(fileinfo->name);
wmove(view->win, lineno, col);
if (view->offset + lineno == view->lineno) {
snprintf(vim_cmd, sizeof(vim_cmd), VIM_CMD, fnumber, fname);
type = LINE_CURSOR;
wattrset(view->win, get_line_attr(type));
wchgat(view->win, -1, 0, type, NULL);
string_copy(view->file, fileinfo->name);
} else {
type = LINE_FILE_LINCON;
wchgat(view->win, -1, 0, type, NULL);
wattrset(view->win, get_line_attr(LINE_FILE_NAME));
}
namelen = strlen(fileinfo->name);
if (namelen > opt_file_name){
int n = namelen-opt_file_name;
if (type != LINE_CURSOR)
wattrset(view->win, get_line_attr(LINE_DELIMITER));
waddch(view->win, '~');
if (type != LINE_CURSOR)
wattrset(view->win, get_line_attr(LINE_FILE_NAME));
waddnstr(view->win, fileinfo->name + n, opt_file_name);
}
else
waddstr(view->win, fileinfo->name);
col += opt_file_name + 2;
wmove(view->win, lineno, col);
if (type != LINE_CURSOR)
wattrset(view->win, get_line_attr(LINE_FILE_LINUM));
waddstr(view->win, fileinfo->number);
col += 9;
if (type != LINE_CURSOR)
wattrset(view->win, A_NORMAL);
wmove(view->win, lineno, col);
if (type != LINE_CURSOR)
wattrset(view->win, get_line_attr(type));
int contentlen = strlength(fileinfo->content);
string_expand(text, sizeof(text), fileinfo->content, opt_tab_size);
if (col + contentlen > view->width){
contentlen = view->width - col;
if (contentlen < 0)
return TRUE;
else {
waddnstr(view->win, text, contentlen-1);
if (type != LINE_CURSOR)
wattrset(view->win, get_line_attr(LINE_DELIMITER));
waddch(view->win, '~');
}
}
else {
waddstr(view->win, fileinfo->content);
}
return TRUE;
}
void
init_display(void)
{
bool no_display = !!getenv("TIG_NO_DISPLAY");
const char *term;
int x, y;
die_callback = done_display;
/* XXX: Restore tty modes and let the OS cleanup the rest! */
if (atexit(done_display))
die("Failed to register done_display");
/* Initialize the curses library */
{
/* Leave stdin and stdout alone when acting as a pager. */
FILE *out_tty;
opt_tty = fopen("/dev/tty", "r+");
out_tty = no_display ? fopen("/dev/null", "w+") : opt_tty;
if (!opt_tty || !out_tty)
die("Failed to open /dev/tty");
cursed = !!newterm(NULL, out_tty, opt_tty);
}
if (!cursed)
die("Failed to initialize curses");
set_terminal_modes();
init_colors();
getmaxyx(stdscr, y, x);
status_win = newwin(1, x, y - 1, 0);
if (!status_win)
die("Failed to create status window");
/* Enable keyboard mapping */
keypad(status_win, true);
wbkgdset(status_win, get_line_attr(NULL, LINE_STATUS));
enable_mouse(opt_mouse);
#if defined(NCURSES_VERSION_PATCH) && (NCURSES_VERSION_PATCH >= 20080119)
set_tabsize(opt_tab_size);
#else
TABSIZE = opt_tab_size;
#endif
term = getenv("XTERM_VERSION")
? NULL
: (getenv("TERM_PROGRAM") ? getenv("TERM_PROGRAM") : getenv("COLORTERM"));
if (term && !strcmp(term, "gnome-terminal")) {
/* In the gnome-terminal-emulator, the warning message
* shown when scrolling up one line while the cursor is
* on the first line followed by scrolling down one line
* corrupts the status line. This is fixed by calling
* wclear. */
use_scroll_status_wclear = true;
use_scroll_redrawwin = false;
} else if (term &&
(!strcmp(term, "xrvt-xpm") || !strcmp(term, "Apple_Terminal") ||
!strcmp(term, "iTerm.app"))) {
/* No problems with full optimizations in
* xrvt-(unicode)
* aterm
* Terminal.app
* iTerm2 */
use_scroll_status_wclear = use_scroll_redrawwin = false;
} else {
/* When scrolling in (u)xterm the last line in the
* scrolling direction will update slowly. This is
* the conservative default. */
use_scroll_redrawwin = true;
use_scroll_status_wclear = false;
}
}