diff options
Diffstat (limited to 'src/delete.c')
| -rw-r--r-- | src/delete.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/delete.c b/src/delete.c new file mode 100644 index 0000000..ce62951 --- /dev/null +++ b/src/delete.c @@ -0,0 +1,242 @@ +/* ncdu - NCurses Disk Usage + + Copyright (c) 2007 Yoran Heling + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ + +#include "ncdu.h" + +suseconds_t lastupdate; + + +void drawConfirm(struct dir *del, int sel) { + WINDOW *cfm; + + cfm = newwin(6, 60, winrows/2-3, wincols/2-30); + box(cfm, 0, 0); + wattron(cfm, A_BOLD); + mvwaddstr(cfm, 0, 4, "Confirm delete"); + wattroff(cfm, A_BOLD); + + mvwprintw(cfm, 1, 2, "Are you sure you want to delete \"%s\"%c", + cropdir(del->name, 21), del->flags & FF_DIR ? ' ' : '?'); + if(del->flags & FF_DIR) + mvwprintw(cfm, 2, 18, "and all of its contents?"); + + if(sel == 0) + wattron(cfm, A_REVERSE); + mvwaddstr(cfm, 4, 15, "yes"); + wattroff(cfm, A_REVERSE); + if(sel == 1) + wattron(cfm, A_REVERSE); + mvwaddstr(cfm, 4, 24, "no"); + wattroff(cfm, A_REVERSE); + if(sel == 2) + wattron(cfm, A_REVERSE); + mvwaddstr(cfm, 4, 31, "don't ask me again"); + wattroff(cfm, A_REVERSE); + + wrefresh(cfm); + delwin(cfm); +} + + +/* show progress */ +void drawProgress(char *file) { + WINDOW *prg; + + prg = newwin(6, 60, winrows/2-3, wincols/2-30); + nodelay(prg, 1); + box(prg, 0, 0); + wattron(prg, A_BOLD); + mvwaddstr(prg, 0, 4, "Deleting..."); + wattroff(prg, A_BOLD); + + mvwaddstr(prg, 1, 2, cropdir(file, 47)); + mvwaddstr(prg, 5, 41, "Press q to abort"); + + wrefresh(prg); + delwin(prg); +} + + +/* show error dialog */ +void drawError(int sel, char *file) { + WINDOW *err; + + err = newwin(6, 60, winrows/2-3, wincols/2-30); + box(err, 0, 0); + wattron(err, A_BOLD); + mvwaddstr(err, 0, 4, "Error!"); + wattroff(err, A_BOLD); + + mvwprintw(err, 1, 2, "Can't delete %s:", cropdir(file, 42)); + mvwaddstr(err, 2, 4, strerror(errno)); + + if(sel == 0) + wattron(err, A_REVERSE); + mvwaddstr(err, 4, 14, "abort"); + wattroff(err, A_REVERSE); + if(sel == 1) + wattron(err, A_REVERSE); + mvwaddstr(err, 4, 23, "ignore"); + wattroff(err, A_REVERSE); + if(sel == 2) + wattron(err, A_REVERSE); + mvwaddstr(err, 4, 33, "ignore all"); + wattroff(err, A_REVERSE); + + wrefresh(err); + delwin(err); +} + + +struct dir *deleteDir(struct dir *dr) { + struct dir *nxt, *cur; + int ch, sel = 0; + char file[PATH_MAX]; + struct timeval tv; + + getpath(dr, file); + strcat(file, "/"); + strcat(file, dr->name); + + /* check for input or screen resizes */ + nodelay(stdscr, 1); + while((ch = getch()) != ERR) { + if(ch == 'q') + return(NULL); + if(ch == KEY_RESIZE) { + ncresize(); + drawBrowser(0); + drawProgress(file); + } + } + nodelay(stdscr, 0); + + /* don't update the screen with shorter intervals than sdelay */ + gettimeofday(&tv, (void *)NULL); + tv.tv_usec = (1000*(tv.tv_sec % 1000) + (tv.tv_usec / 1000)) / sdelay; + if(lastupdate != tv.tv_usec) { + drawProgress(file); + lastupdate = tv.tv_usec; + } + + /* do the actual deleting */ + if(dr->flags & FF_DIR) { + if(dr->sub != NULL) { + nxt = dr->sub; + while(nxt->prev != NULL) + nxt = nxt->prev; + while(nxt != NULL) { + cur = nxt; + nxt = cur->next; + if(cur->flags & FF_PAR) { + freedir(cur); + continue; + } + if(deleteDir(cur) == NULL) + return(NULL); + } + } + ch = rmdir(file); + } else + ch = unlink(file); + + /* error occured, ask user what to do */ + if(ch == -1 && !(sflags & SF_IGNE)) { + drawError(sel, file); + while((ch = getch())) { + switch(ch) { + case KEY_LEFT: + if(--sel < 0) + sel = 0; + break; + case KEY_RIGHT: + if(++sel > 2) + sel = 2; + break; + case 10: + if(sel == 0) + return(NULL); + if(sel == 2) + sflags |= SF_IGNE; + goto ignore; + case 'q': + return(NULL); + case KEY_RESIZE: + ncresize(); + drawBrowser(0); + break; + } + drawError(sel, file); + } + }; + ignore: + + return(freedir(dr)); +} + + +struct dir *showDelete(struct dir *dr) { + int ch, sel = 1; + struct dir *ret; + + /* confirm */ + if(sflags & SF_NOCFM) + goto doit; + + drawConfirm(dr, sel); + while((ch = getch())) { + switch(ch) { + case KEY_LEFT: + if(--sel < 0) + sel = 0; + break; + case KEY_RIGHT: + if(++sel > 2) + sel = 2; + break; + case 10: + if(sel == 1) + return(dr); + if(sel == 2) + sflags |= SF_NOCFM; + goto doit; + case 'q': + return(dr); + case KEY_RESIZE: + ncresize(); + drawBrowser(0); + break; + } + drawConfirm(dr, sel); + } + + doit: + lastupdate = 999; /* just some random high value as initialisation */ + + ret = deleteDir(dr); + + return(ret == NULL ? dr : ret); +} + |