/* * $Id$ * * EFiler - EDE File Manager * Part of Equinox Desktop Environment (EDE). * Copyright (c) 2000-2007 EDE Authors. * * This program is licenced under terms of the * GNU General Public Licence version 2 or newer. * See COPYING for details. */ // This file implements various operations with files (copy, delete...) // NOT TO BE CONFUSED WITH edelib::File.h !!! // Functions here usually call stuff from File.h, but also update // efiler interface, display warnings to user etc. #include "fileops.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include "EDE_FileView.h" #include "Util.h" #include "filesystem.h" // is_on_same_fs() Fl_Progress* cut_copy_progress; bool stop_now; bool overwrite_all, skip_all; enum OperationType_ { // Stop idiotic warnings from gcc (anonymous enum in global scope) CUT, COPY, ASK } operation = ASK; // -------------------------------------------------------------------------------------------- // ede_choice_alert() - display choice with alert icon. // First parameter is message text, followed by variable number of buttons. Last button // always must be 0! Return value is sequence number of the button pressed, or -1 on window // close. // Note that function doesn't support text formatting. // -------------------------------------------------------------------------------------------- #include int ede_choice_alert(const char*msg, ...) { va_list ap; edelib::MessageBox mb; va_start(ap, msg); { char *btn; while ((btn = va_arg(ap, char*))) { mb.add_button(btn); fprintf (stderr, "Add button: '%s'\n", btn); } } va_end(ap); mb.set_text(msg); mb.set_theme_icon(MSGBOX_ICON_WARNING); // specified in edelib/MessageBox.h mb.set_modal(); return mb.run(); } // ---------------------------------------------- // Some helper functions // ---------------------------------------------- // is last character a / (avoid calling stat)? bool my_isdir(const char* path) { return (path[strlen(path)-1]=='/'); } // wrapper around fl_filename_name() that also works with directories const char* my_filename_name(const char* path) { if (!my_isdir(path)) return fl_filename_name(path); static char buffer[FL_PATH_MAX]; strncpy(buffer, path, FL_PATH_MAX); buffer[strlen(path)-1]='\0'; return fl_filename_name(buffer); } // opposite to fl_filename_name(), returns the first part of path (a.k.a. directory) const char* my_filename_dir(const char* path) { const char* name = my_filename_name(path); int pathlen = strlen(path)-strlen(name); if (pathlen>=FL_PATH_MAX) pathlen=FL_PATH_MAX-1; static char buffer[FL_PATH_MAX]; strncpy(buffer, path, pathlen); buffer[pathlen]='\0'; return buffer; // This is pointer to static buffer!! warning! } // Execute cut or copy operation from GUI (this actually does nothing // on the filesystem, just store list of files in buffer and mark operation; files // will be copied or moved when do_paste is called) void do_cut_copy(bool m_copy) { int num = view->size(); if (m_copy) operation = COPY; else operation = CUT; // Allocate buffer uint bufsize=10000; char* buf = (char*)malloc(sizeof(char)*bufsize); buf[0]='\0'; // Add selected files to buffer and optionally grey icons (for cut effect) int nselected=0; for (int i=1; i<=num; i++) { view->ungray(i); if (view->selected(i)==1) { char* p = (char*)view->path(i); if (strncmp(p+strlen(p)-3, "/..", 3)==0) { // Can't cut/copy the Up button ("..") free(buf); return; } while (strlen(buf)+strlen(p)+8 >= bufsize) { bufsize+=10000; buf = (char*)realloc(buf,sizeof(char)*bufsize); } strcat(buf, "file://"); strncat(buf,p,strlen(p)); strcat(buf, "\r\n"); if (operation == CUT) view->gray(i); nselected++; } } if (nselected==0) { //nothing selected, use the focused item int i=view->get_focus(); char* p = (char*)view->path(i); // an individual path should never be longer > 10000 chars! strcat(buf, "file://"); strncat(buf,p,strlen(p)); strcat(buf, "\r\n"); nselected=1; } Fl::copy(buf,strlen(buf),1); // use clipboard free(buf); // Deselect all and restore focus int focused = view->get_focus(); for (int i=1; i<=num; i++) if (view->selected(i)) view->select(i,0); view->set_focus(focused); // Update statusbar if (m_copy) statusbar->copy_label(tsprintf(_("Selected %d items for copying"), nselected)); else statusbar->copy_label(tsprintf(_("Selected %d items for moving"), nselected)); // TODO: add total selected size? would require a stat on each file + expanding directories } // Copy single file on filesystem. Returns false if operation failed and process should be stopped // Note that at this point directories should be expanded into subdirectories and files, // so when "copying" a directory we actually mean creating a new directory with same properties bool my_copy(const char* src, const char* dest) { FILE *fold, *fnew; int c; // this shouldn't happen if (strcmp(src,dest)==0) return true; // This case is already checked in do_paste() so it shouldn't happen here if (edelib::file_exists(dest)) return true; if (my_isdir(src)) { // try to preserve permissions // FIXME: this is not entirely cross-platform (due to different headers on *BSD) struct stat buf; stat(src,&buf); if (mkdir (dest, buf.st_mode)==0) return true; // success int q = ede_choice_alert(tsprintf(_("Cannot create directory %s (%d)"),dest,strerror(errno)), _("&Stop"), _("&Continue"), 0); if (q == 1) return true; else return false; } if ( !edelib::file_readable(src) ) { int q = ede_choice_alert(tsprintf(_("Cannot read file\n\t%s\n%s"),src,strerror(errno)), _("&Stop"), _("&Continue"), 0); if (q == 1) return true; else return false; } // edelib::file_writeable() returns false if dest doesn't exist if (edelib::file_exists(dest) && !edelib::file_writeable(dest)) { int q = ede_choice_alert(tsprintf(_("You don't have permission to overwrite file\n\t%s"),dest), _("&Stop"), _("&Continue"), 0); if (q == 1) return true; else return false; // this is redundant ATM cause dest is removed in do_paste() } if (!edelib::dir_exists(my_filename_dir(dest))) { // Shouldn't happen, unless someone is deleting stuff behind our back int q = ede_choice_alert(tsprintf(_("Directory\n\t%s\ndoesn't exist."), my_filename_dir(dest)), _("&Stop"), _("&Continue"), 0); if (q == 1) return true; else return false; } if (!edelib::file_exists(dest) && !edelib::dir_writeable(my_filename_dir(dest))) { int q = ede_choice_alert(tsprintf(_("Cannot create file in directory\n\t%s\nYou don't have permission."), my_filename_dir(dest)), _("&Stop"), _("&Continue"), 0); if (q == 1) return true; else return false; } /* // we don't use edelib::file_copy because we want to call Fl::check() periodically so user // can stop copying if (!edelib::file_copy(src,dest,true)) fl_alert(tsprintf(_("Error copying %s to %s"),src,dest)); */ // This should already be checked by file_readable and file_writeable if ( ( fold = fopen( src, "rb" ) ) == NULL ) { int q = ede_choice_alert(tsprintf(_("Cannot read file\n\t%s\n%s"), src, strerror(errno)), _("&Stop"), _("&Continue"), 0); if (q == 1) return true; else return false; } if ( ( fnew = fopen( dest, "wb" ) ) == NULL ) { fclose ( fold ); int q = ede_choice_alert(tsprintf(_("Cannot create file\n\t%s\n%s"), dest, strerror(errno)), _("&Stop"), _("&Continue"), 0); if (q == 1) return true; else return false; } int count=0; while (!feof(fold)) { c = fgetc(fold); fputc(c, fnew); // Update interface if (count++ > 1000) { count=0; Fl::check(); } if (stop_now) { edelib::alert(_("Copying interrupted!\nFile %s is only half-copied and probably incorrect."), my_filename_name(dest)); break; } } if (ferror(fold) || ferror(fnew)) { // This is probably a filesystem error (such as ejected disk or bad sector) fclose(fold); // don't flush error buffer before calling ferror fclose(fnew); int q; if (ferror(fold)) q = ede_choice_alert(tsprintf(_("Error while reading file\n\t%s\n%s"), src, strerror(errno)), _("&Stop"), _("&Continue"), 0); else q = ede_choice_alert(tsprintf(_("Error while writing file\n\t%s\n%s"), dest, strerror(errno)), _("&Stop"), _("&Continue"), 0); if (q == 1) return true; else return false; } else { fclose(fold); fclose(fnew); } // attempt to preserve permissions - if it fails, we don't care // FIXME: this is not entirely cross-platform (due to different headers on *BSD) struct stat buf; stat(src,&buf); chmod (dest, buf.st_mode); return true; } // Recursive function that creates a list of all files to be copied. All // directories are opened and all files and subdirectories etc. are added // separately to the list. The total number of elements will be stored in // listsize. Returns false if user decided to interrupt copying. bool expand_dirs(const char* src, char** &list, int &list_size, int &list_capacity) { // Grow list if neccessary if (list_size >= list_capacity-1) { list_capacity += 1000; list = (char**)realloc(list, sizeof(char**)*list_capacity); } // We add both files and directories to list list[list_size++] = strdup(src); if (my_isdir(src)) { // fl_filename_list makes sure that directories are appended with / char new_src[FL_PATH_MAX]; dirent **files; // FIXME: use same sort as used in view // FIXME: detect errors on accessing directory int num_files = fl_filename_list(src, &files, fl_casenumericsort); for (int i=0; id_name,"./")==0 || strcmp(files[i]->d_name,"../")==0) continue; snprintf(new_src, PATH_MAX, "%s%s", src, files[i]->d_name); Fl::check(); // update gui if (stop_now || !expand_dirs(new_src, list, list_size, list_capacity)) return false; } } return true; } // Delete currently selected file(s) and directory(es) void do_delete() { // TODO: Add a progress bar??? // Delete is, in my experience, *very* fast (don't know why Konqueror takes so long) // Count all selected items, expanding directories as neccessary int list_size = 0, list_capacity = 1000; char** files_list = (char**)malloc(sizeof(char**)*list_capacity); for (int i=1; i<=view->size(); i++) if (view->selected(i)==1) expand_dirs(view->path(i), files_list, list_size, list_capacity); if (list_size==0) { //nothing selected, use the focused item int i=view->get_focus(); expand_dirs(view->path(i), files_list, list_size, list_capacity); } // Issue a warning int c; if (list_size==1 && my_isdir(files_list[0])) c = ede_choice_alert(tsprintf(_("Are you sure that you want to delete directory\n\t%s\nincluding everything in it?"), files_list[0]), _("Do&n't delete"), _("&Delete"), 0); else if (list_size==1) c = ede_choice_alert(tsprintf(_("Are you sure that you want to delete file %s ?"), my_filename_name(files_list[0])), _("Do&n't delete"), _("&Delete"), 0); else c = ede_choice_alert(tsprintf(_("Are you sure that you want to delete %d files and directories?"), list_size), _("Do&n't delete"), _("&Delete"), 0); if (c==1) { // first remove files... for (int i=0; i=0; i--) if (my_isdir(files_list[i])) if (!edelib::dir_remove(files_list[i])) edelib::alert(_("Couldn't delete directory\n\t%s\n%s"), files_list[i], strerror(errno)); // refresh directory listing - optimized // if notify is available, it will do it for us if (!notify_available) { for (int i=1; i<=view->size(); i++) for (int j=0; jpath(i))==0) view->remove(i); } } // Cleanup memory for (int i=0; iget_focus(); const char* oldname = fl_filename_name(view->path(focus)); // get filename char oldpath[FL_PATH_MAX], newpath[FL_PATH_MAX]; snprintf(oldpath, FL_PATH_MAX-1, "%s%s", current_dir, oldname); snprintf(newpath, FL_PATH_MAX-1, "%s%s", current_dir, newname); if (edelib::file_exists(newpath)) edelib::alert(_("Filename already in use: %s"), newname); else if (!edelib::file_rename(oldpath,newpath)) edelib::alert(_("Rename %s to %s failed!"), oldname, newname); else if (!notify_available) view->update_path(oldpath,newpath); } // Callback for Stop button on progress window (created in do_paste()) void stop_copying_cb(Fl_Widget*,void* v) { stop_now=true; // Let's inform user that we're stopping... Fl_Box* caption = (Fl_Box*)v; caption->label(_("Stopping...")); caption->redraw(); caption->parent()->redraw(); } // Execute paste - this will copy or move files based on chosen operation // FIXME: if user cuts some files, then does dnd from another window, // do_paste() will assume operation==CUT and won't ask the user! // - Konqueror handles this by inventing a different mimetype for non-dnd buffer // - Nautilus has the same bug! void do_paste(const char* t) { char *to = (char*)t; if (!t || !fl_filename_isdir(t) || (strncmp(t+strlen(t)-3,"/..",3)==0)) to = current_dir; fprintf (stderr, "PASTE from '%s', to '%s', type=%d\n",(char*)Fl::event_text(),to,operation); if (!strchr(Fl::event_text(), '/')) return; // User is pasting something that isn't files // TODO: create a text file? // Tokenize event text into an array of strings ("from") char* tmp = (char*)Fl::event_text(); int count=0; do count++; while (tmp && (tmp = strchr(tmp+1,'\n'))); char** from = (char**)malloc(sizeof(char*) * count); tmp = (char*)Fl::event_text(); char* tmp2; int k=0; do { tmp2 = strchr(tmp,'\n'); int len=tmp2-tmp; if (!tmp2) len=strlen(tmp); if (len<2) { tmp=tmp2+1; count--; continue; } from[k] = (char*)malloc(sizeof(char) * (len+2)); strncpy(from[k],tmp,len); from[k][len]='\0'; if (from[k][len-1] == '\r') from[k][--len]='\0'; // We accept both URIs (beginning with file://) and plain filename if (strncmp(from[k],"file://",7)==0) for (int i=0; i<=len-7; i++) from[k][i]=from[k][i+7]; // All directories must end in / if (fl_filename_isdir(from[k]) && (from[k][len-1] != '/')) { from[k][len++]='/'; from[k][len]='\0'; } fprintf (stderr, "from[%d]='%s'\n", k, from[k]); k++; tmp=tmp2+1; } while (tmp2); // Some sanity checks for (int i=0; itake_focus(); if (strcmp(to,from[i])==0) { //ede_alert(tsprintf(_("Can't copy directory\n\t%s\ninto itself."), to)); // This usually happens accidentally, so statusbar is less annoying statusbar->copy_label(tsprintf(_("Can't copy directory %s into itself."), my_filename_name(to))); goto FINISH; } if ((strncmp(to,from[i],strlen(to))==0)) { char *k = strchr(from[i]+strlen(to), '/'); if (!k || *(k+1)=='\0') { //ede_alert(tsprintf(_("File %s is already in directory\n\t%s"), from[i]+strlen(to), to)); statusbar->copy_label(tsprintf(_("File %s is already in directory %s"), from[i]+strlen(to), to)); goto FINISH; } } } // Resolve operation if (operation == ASK) { // TODO make a popup menu just like in Konqueror /* fprintf(stderr, "x=%d y=%d\n", Fl::event_x_root(),Fl::event_y_root()); Fl_Menu_Button* mb = new Fl_Menu_Button (Fl::event_x_root(),Fl::event_y_root(),0,0); mb->box(FL_NO_BOX); mb->type(Fl_Menu_Button::POPUP123); mb->add(_("&Copy"),0,cb_dnd_copy); mb->add(_("_&Move"),0,cb_dnd_cut); mb->add(_("C&ancel"),0,0); mb->popup(); goto FINISH;*/ int c; if (count==1 && my_isdir(from[0])) c = ede_choice_alert(tsprintf(_("Copy or move directory\n\t%s\nto directory\n\t%s ?"), from[0], to), _("C&ancel"), _("&Copy"), _("&Move"), 0); else if (count==1) c = ede_choice_alert(tsprintf(_("Copy or move file %s to directory\n\t%s ?"), fl_filename_name(from[0]), to), _("C&ancel"), _("&Copy"), _("&Move"), 0); else c = ede_choice_alert(tsprintf(_("Copy or move these %d files to directory\n\t%s ?"), count, to), _("C&ancel"), _("&Copy"), _("&Move"), 0); if (c<1) goto FINISH; if (c==1) operation=COPY; else operation=CUT; } { // to silence warning caused by goto overwrite_all=false; skip_all=false; stop_now=false; // srcdir is root directory of from[] array char *srcdir = strdup(my_filename_dir(from[0])); if (strcmp(srcdir,to)==0) { // This should never happen cause we already checked it... edelib::alert(_("You cannot copy a file onto itself!")); free(srcdir); goto FINISH; } // Draw progress dialog Fl_Window* progress_window = new Fl_Window(350,150); if (operation == COPY) progress_window->label(_("Copying files")); else progress_window->label(_("Moving files")); progress_window->set_modal(); progress_window->begin(); Fl_Box* caption = new Fl_Box(20,20,310,25, _("Counting files in directories")); caption->align(FL_ALIGN_LEFT|FL_ALIGN_INSIDE); cut_copy_progress = new Fl_Progress(20,60,310,20); Fl_Button* stop_button = new Fl_Button(145,100,60,40, _("&Stop")); stop_button->callback(stop_copying_cb,caption); progress_window->end(); progress_window->show(); // Set ProgressBar range cut_copy_progress->minimum(0); cut_copy_progress->maximum(count); cut_copy_progress->value(0); // Count files in directories int list_size = 0, list_capacity = 1000; char** files_list = (char**)malloc(sizeof(char**)*list_capacity); for (int i=0; ivalue(i+1); Fl::check(); // check to see if user pressed Stop } if (stop_now) { // user pressed stop while counting, cleanup and exit for (int i=0; iminimum(0); cut_copy_progress->maximum(list_size); cut_copy_progress->value(0); char dest[FL_PATH_MAX]; // This list is used for updating mimetypes after the copying is finished FileItem **item_list=0; int item_list_size=0; if (!notify_available && strncmp(to,current_dir,strlen(to))==0) // avoid malloc if current dir isn't inside the scope of paste item_list = new FileItem*[list_size]; for (int i=0; icopy_label(tsprintf(_("Copying %d of %d files to %s"), i, list_size, to)); else caption->copy_label(tsprintf(_("Moving %d of %d files to %s"), i, list_size, to)); caption->redraw(); if (edelib::file_exists(dest)) { // if both src and dest are directories, do nothing if (my_isdir(src) && my_isdir(dest)) continue; // copy file over directory // TODO: we will just skip this case because it's "impossible", // but maybe there should be another warning if (my_isdir(dest)) continue; // copy directory over file if (my_isdir(src)) { int q = ede_choice_alert(tsprintf(_("You're trying to copy directory\n\t%s\nbut there is already a file with this name. What to do?"),dest), _("&Stop"), _("S&kip directory"), _("&Delete file"), 0); if (q < 1) break; else if (q == 1) continue; // else q==2 (delete file) // copy file over file } else { int c = -1; if (!overwrite_all && !skip_all) c = ede_choice_alert(tsprintf(_("File with name\n\t%s\nalready exists. What to do?"), dest), _("&Overwrite"), _("Over&write all"), _("&Skip"), _("Skip &all"), 0); if (c==1) overwrite_all=true; if (c==3) skip_all=true; if (c==2 || c==-1 || skip_all) continue; // go to next entry // At this point c==0 (Overwrite) or overwrite_all == true } if (!edelib::file_remove(dest)) { int q = ede_choice_alert(tsprintf(_("Couldn't remove file\n\t%s"),dest), _("&Stop"), _("&Continue"), 0); if (q==1) continue; else break; } // Update interface - add file to list (if we are viewing the destination directory) } else if (!notify_available && strcmp(current_dir,my_filename_dir(dest))==0) { FileItem *item = new FileItem; item->name = my_filename_name(dest); item->realpath = dest; if (my_isdir(dest)) { item->icon = "folder"; item->description = "Directory"; // item->name += "/"; } else { item->icon = "unknown"; item->description = "Unknown"; } item_list[item_list_size++] = item; view->add(item); // don't bother with sorting, that would be too complex } // Moving on same filesystem is actually rename if (operation == CUT && is_on_same_fs(to, from[0])) edelib::file_rename(src,dest); // this is extremely fast, user won't have time to click on stop ;) else { if (stop_now || !my_copy(src, dest)) break; // Delete file after moving if (operation == CUT) edelib::file_remove(src); cut_copy_progress->value(cut_copy_progress->value()+1); Fl::check(); // check to see if user pressed Stop } } progress_window->hide(); // Cleanup memory for (int i=0; isize(); j++) if (strcmp(from[i],view->path(j))==0) view->remove(j); // Update mimetypes for pasted files for (int i=0; idate = nice_time(buf.st_mtime); item->permissions = ""; // todo if (item->description != "Directory") { item->size = nice_size(buf.st_size); edelib::MimeType mt; mt.set(from[i]); edelib::String desc,icon; desc = mt.comment(); // First letter of desc should be upper case: if (desc.length()>0 && desc[0]>='a' && desc[0]<='z') desc[0] = desc[0]-'a'+'A'; icon = mt.icon_name(); if (desc!="" || icon!="") { if (desc != "") item->description = desc; if (icon != "") item->icon = icon; } Fl::check(); } view->update(item); delete item_list[i]; } // for... delete[] item_list; // this was allocated before } // if (!notify_available)... // Select the just pasted files (they're at the bottom) if (item_list_size>0) { view->redraw(); for (int i=view->size(),j=0; jselect(i,1); } } // scoping to silence goto warning // Cleanup memory and exit FINISH: for (int i=0; i