/* Directory hotlist -- for the Midnight Commander Copyright (C) 1994-2022 Free Software Foundation, Inc. Written by: Radek Doulik, 1994 Janne Kukonlehto, 1995 Andrej Borsenkow, 1996 Norbert Warmuth, 1997 Andrew Borodin , 2012-2022 Janne did the original Hotlist code, Andrej made the groupable hotlist; the move hotlist and revamped the file format and made it stronger. This file is part of the Midnight Commander. The Midnight Commander is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. The Midnight Commander is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ /** \file hotlist.c * \brief Source: directory hotlist */ #include #include #include #include #include #include #include #include "lib/global.h" #include "lib/tty/tty.h" /* COLS */ #include "lib/tty/key.h" /* KEY_M_CTRL */ #include "lib/skin.h" /* colors */ #include "lib/mcconfig.h" /* Load/save directories hotlist */ #include "lib/fileloc.h" #include "lib/strutil.h" #include "lib/vfs/vfs.h" #include "lib/util.h" #include "lib/widget.h" #include "src/setup.h" /* For profile_bname */ #include "src/history.h" #include "command.h" /* cmdline */ #include "hotlist.h" /*** global variables ****************************************************************************/ /*** file scope macro definitions ****************************************************************/ #define UX 3 #define UY 2 #define B_ADD_CURRENT B_USER #define B_REMOVE (B_USER + 1) #define B_NEW_GROUP (B_USER + 2) #define B_NEW_ENTRY (B_USER + 3) #define B_ENTER_GROUP (B_USER + 4) #define B_UP_GROUP (B_USER + 5) #define B_INSERT (B_USER + 6) #define B_APPEND (B_USER + 7) #define B_MOVE (B_USER + 8) #ifdef ENABLE_VFS #define B_FREE_ALL_VFS (B_USER + 9) #define B_REFRESH_VFS (B_USER + 10) #endif #define TKN_GROUP 0 #define TKN_ENTRY 1 #define TKN_STRING 2 #define TKN_URL 3 #define TKN_ENDGROUP 4 #define TKN_COMMENT 5 #define TKN_EOL 125 #define TKN_EOF 126 #define TKN_UNKNOWN 127 #define SKIP_TO_EOL \ { \ int _tkn; \ while ((_tkn = hot_next_token ()) != TKN_EOF && _tkn != TKN_EOL) ; \ } #define CHECK_TOKEN(_TKN_) \ tkn = hot_next_token (); \ if (tkn != _TKN_) \ { \ hotlist_state.readonly = TRUE; \ hotlist_state.file_error = TRUE; \ while (tkn != TKN_EOL && tkn != TKN_EOF) \ tkn = hot_next_token (); \ break; \ } /*** file scope type declarations ****************************************************************/ enum HotListType { HL_TYPE_GROUP, HL_TYPE_ENTRY, HL_TYPE_COMMENT, HL_TYPE_DOTDOT }; static struct { /* * these reflect run time state */ gboolean loaded; /* hotlist is loaded */ gboolean readonly; /* hotlist readonly */ gboolean file_error; /* parse error while reading file */ gboolean running; /* we are running dlg (and have to update listbox */ gboolean moving; /* we are in moving hotlist currently */ gboolean modified; /* hotlist was modified */ hotlist_t type; /* LIST_HOTLIST || LIST_VFSLIST */ } hotlist_state; /* Directory hotlist */ struct hotlist { enum HotListType type; char *directory; char *label; struct hotlist *head; struct hotlist *up; struct hotlist *next; }; /*** file scope variables ************************************************************************/ static WPanel *our_panel; static gboolean hotlist_has_dot_dot = TRUE; static WDialog *hotlist_dlg, *movelist_dlg; static WGroupbox *hotlist_group, *movelist_group; static WListbox *l_hotlist, *l_movelist; static WLabel *pname; static struct { int ret_cmd, flags, y, x, len; const char *text; int type; widget_pos_flags_t pos_flags; } hotlist_but[] = { /* *INDENT-OFF* */ { B_ENTER, DEFPUSH_BUTTON, 0, 0, 0, N_("Change &to"), LIST_HOTLIST | LIST_VFSLIST | LIST_MOVELIST, WPOS_KEEP_LEFT | WPOS_KEEP_BOTTOM }, #ifdef ENABLE_VFS { B_FREE_ALL_VFS, NORMAL_BUTTON, 0, 20, 0, N_("&Free VFSs now"), LIST_VFSLIST, WPOS_KEEP_LEFT | WPOS_KEEP_BOTTOM }, { B_REFRESH_VFS, NORMAL_BUTTON, 0, 43, 0, N_("&Refresh"), LIST_VFSLIST, WPOS_KEEP_LEFT | WPOS_KEEP_BOTTOM }, #endif { B_ADD_CURRENT, NORMAL_BUTTON, 0, 20, 0, N_("&Add current"), LIST_HOTLIST, WPOS_KEEP_LEFT | WPOS_KEEP_BOTTOM }, { B_UP_GROUP, NORMAL_BUTTON, 0, 42, 0, N_("&Up"), LIST_HOTLIST | LIST_MOVELIST, WPOS_KEEP_LEFT | WPOS_KEEP_BOTTOM }, { B_CANCEL, NORMAL_BUTTON, 0, 53, 0, N_("&Cancel"), LIST_HOTLIST | LIST_VFSLIST | LIST_MOVELIST, WPOS_KEEP_RIGHT | WPOS_KEEP_BOTTOM }, { B_NEW_GROUP, NORMAL_BUTTON, 1, 0, 0, N_("New &group"), LIST_HOTLIST, WPOS_KEEP_LEFT | WPOS_KEEP_BOTTOM }, { B_NEW_ENTRY, NORMAL_BUTTON, 1, 15, 0, N_("New &entry"), LIST_HOTLIST, WPOS_KEEP_LEFT | WPOS_KEEP_BOTTOM }, { B_INSERT, NORMAL_BUTTON, 1, 0, 0, N_("&Insert"), LIST_MOVELIST, WPOS_KEEP_LEFT | WPOS_KEEP_BOTTOM }, { B_APPEND, NORMAL_BUTTON, 1, 15, 0, N_("A&ppend"), LIST_MOVELIST, WPOS_KEEP_LEFT | WPOS_KEEP_BOTTOM }, { B_REMOVE, NORMAL_BUTTON, 1, 30, 0, N_("&Remove"), LIST_HOTLIST, WPOS_KEEP_LEFT | WPOS_KEEP_BOTTOM }, { B_MOVE, NORMAL_BUTTON, 1, 42, 0, N_("&Move"), LIST_HOTLIST, WPOS_KEEP_LEFT | WPOS_KEEP_BOTTOM } /* *INDENT-ON* */ }; static const size_t hotlist_but_num = G_N_ELEMENTS (hotlist_but); static struct hotlist *hotlist = NULL; static struct hotlist *current_group; static GString *tkn_buf = NULL; static char *hotlist_file_name; static FILE *hotlist_file; static time_t hotlist_file_mtime; static int list_level = 0; /* --------------------------------------------------------------------------------------------- */ /*** file scope functions ************************************************************************/ /* --------------------------------------------------------------------------------------------- */ static void init_movelist (struct hotlist *item); static void add_new_group_cmd (void); static void add_new_entry_cmd (WPanel * panel); static void remove_from_hotlist (struct hotlist *entry); static void load_hotlist (void); static void add_dotdot_to_list (void); /* --------------------------------------------------------------------------------------------- */ /** If current->data is 0, then we are dealing with a VFS pathname */ static void update_path_name (void) { const char *text = ""; char *p; WListbox *list = hotlist_state.moving ? l_movelist : l_hotlist; Widget *w = WIDGET (list); if (!listbox_is_empty (list)) { char *ctext = NULL; void *cdata = NULL; listbox_get_current (list, &ctext, &cdata); if (cdata == NULL) text = ctext; else { struct hotlist *hlp = (struct hotlist *) cdata; if (hlp->type == HL_TYPE_ENTRY || hlp->type == HL_TYPE_DOTDOT) text = hlp->directory; else if (hlp->type == HL_TYPE_GROUP) text = _("Subgroup - press ENTER to see list"); } } p = g_strconcat (" ", current_group->label, " ", (char *) NULL); if (hotlist_state.moving) groupbox_set_title (movelist_group, str_trunc (p, w->rect.cols - 2)); else { groupbox_set_title (hotlist_group, str_trunc (p, w->rect.cols - 2)); label_set_text (pname, str_trunc (text, w->rect.cols)); } g_free (p); } /* --------------------------------------------------------------------------------------------- */ static void fill_listbox (WListbox * list) { struct hotlist *current; GString *buff; buff = g_string_new (""); for (current = current_group->head; current != NULL; current = current->next) switch (current->type) { case HL_TYPE_GROUP: { /* buff clean up */ g_string_truncate (buff, 0); g_string_append (buff, "->"); g_string_append (buff, current->label); listbox_add_item (list, LISTBOX_APPEND_AT_END, 0, buff->str, current, FALSE); } break; case HL_TYPE_DOTDOT: case HL_TYPE_ENTRY: listbox_add_item (list, LISTBOX_APPEND_AT_END, 0, current->label, current, FALSE); break; default: break; } g_string_free (buff, TRUE); } /* --------------------------------------------------------------------------------------------- */ static void unlink_entry (struct hotlist *entry) { struct hotlist *current = current_group->head; if (current == entry) current_group->head = entry->next; else { while (current != NULL && current->next != entry) current = current->next; if (current != NULL) current->next = entry->next; } entry->next = entry->up = NULL; } /* --------------------------------------------------------------------------------------------- */ #ifdef ENABLE_VFS static void add_name_to_list (const char *path) { listbox_add_item (l_hotlist, LISTBOX_APPEND_AT_END, 0, path, NULL, FALSE); } #endif /* !ENABLE_VFS */ /* --------------------------------------------------------------------------------------------- */ static int hotlist_run_cmd (int action) { switch (action) { case B_MOVE: { struct hotlist *saved = current_group; struct hotlist *item = NULL; struct hotlist *moveto_item = NULL; struct hotlist *moveto_group = NULL; int ret; if (listbox_is_empty (l_hotlist)) return 0; /* empty group - nothing to do */ listbox_get_current (l_hotlist, NULL, (void **) &item); init_movelist (item); hotlist_state.moving = TRUE; ret = dlg_run (movelist_dlg); hotlist_state.moving = FALSE; listbox_get_current (l_movelist, NULL, (void **) &moveto_item); moveto_group = current_group; widget_destroy (WIDGET (movelist_dlg)); current_group = saved; if (ret == B_CANCEL) return 0; if (moveto_item == item) return 0; /* If we insert/append a before/after a it hardly changes anything ;) */ unlink_entry (item); listbox_remove_current (l_hotlist); item->up = moveto_group; if (moveto_group->head == NULL) moveto_group->head = item; else if (moveto_item == NULL) { /* we have group with just comments */ struct hotlist *p = moveto_group->head; /* skip comments */ while (p->next != NULL) p = p->next; p->next = item; } else if (ret == B_ENTER || ret == B_APPEND) { if (moveto_item->next == NULL) moveto_item->next = item; else { item->next = moveto_item->next; moveto_item->next = item; } } else if (moveto_group->head == moveto_item) { moveto_group->head = item; item->next = moveto_item; } else { struct hotlist *p = moveto_group->head; while (p->next != moveto_item) p = p->next; item->next = p->next; p->next = item; } listbox_remove_list (l_hotlist); fill_listbox (l_hotlist); repaint_screen (); hotlist_state.modified = TRUE; return 0; } case B_REMOVE: { struct hotlist *entry = NULL; listbox_get_current (l_hotlist, NULL, (void **) &entry); remove_from_hotlist (entry); } return 0; case B_NEW_GROUP: add_new_group_cmd (); return 0; case B_ADD_CURRENT: add2hotlist_cmd (our_panel); return 0; case B_NEW_ENTRY: add_new_entry_cmd (our_panel); return 0; case B_ENTER: case B_ENTER_GROUP: { WListbox *list; void *data; struct hotlist *hlp; list = hotlist_state.moving ? l_movelist : l_hotlist; listbox_get_current (list, NULL, &data); if (data == NULL) return 1; hlp = (struct hotlist *) data; if (hlp->type == HL_TYPE_ENTRY) return (action == B_ENTER ? 1 : 0); if (hlp->type != HL_TYPE_DOTDOT) { listbox_remove_list (list); current_group = hlp; fill_listbox (list); return 0; } } MC_FALLTHROUGH; /* if list empty - just go up */ case B_UP_GROUP: { WListbox *list = hotlist_state.moving ? l_movelist : l_hotlist; listbox_remove_list (list); current_group = current_group->up; fill_listbox (list); return 0; } #ifdef ENABLE_VFS case B_FREE_ALL_VFS: vfs_expire (TRUE); MC_FALLTHROUGH; case B_REFRESH_VFS: listbox_remove_list (l_hotlist); listbox_add_item (l_hotlist, LISTBOX_APPEND_AT_END, 0, mc_config_get_home_dir (), NULL, FALSE); vfs_fill_names (add_name_to_list); return 0; #endif /* ENABLE_VFS */ default: return 1; } } /* --------------------------------------------------------------------------------------------- */ static int hotlist_button_callback (WButton * button, int action) { int ret; (void) button; ret = hotlist_run_cmd (action); update_path_name (); return ret; } /* --------------------------------------------------------------------------------------------- */ static inline cb_ret_t hotlist_handle_key (WDialog * h, int key) { switch (key) { case KEY_M_CTRL | '\n': goto l1; case '\n': case KEY_ENTER: if (hotlist_button_callback (NULL, B_ENTER) != 0) { h->ret_value = B_ENTER; dlg_stop (h); } return MSG_HANDLED; case KEY_RIGHT: /* enter to the group */ if (hotlist_state.type == LIST_VFSLIST) return MSG_NOT_HANDLED; return hotlist_button_callback (NULL, B_ENTER_GROUP) == 0 ? MSG_HANDLED : MSG_NOT_HANDLED; case KEY_LEFT: /* leave the group */ if (hotlist_state.type == LIST_VFSLIST) return MSG_NOT_HANDLED; return hotlist_button_callback (NULL, B_UP_GROUP) == 0 ? MSG_HANDLED : MSG_NOT_HANDLED; case KEY_DC: if (hotlist_state.moving) return MSG_NOT_HANDLED; hotlist_button_callback (NULL, B_REMOVE); return MSG_HANDLED; l1: case ALT ('\n'): case ALT ('\r'): if (!hotlist_state.moving) { void *ldata = NULL; listbox_get_current (l_hotlist, NULL, &ldata); if (ldata != NULL) { struct hotlist *hlp = (struct hotlist *) ldata; if (hlp->type == HL_TYPE_ENTRY) { char *tmp; tmp = g_strconcat ("cd ", hlp->directory, (char *) NULL); input_insert (cmdline, tmp, FALSE); g_free (tmp); h->ret_value = B_CANCEL; dlg_stop (h); } } } return MSG_HANDLED; /* ignore key */ default: return MSG_NOT_HANDLED; } } /* --------------------------------------------------------------------------------------------- */ static cb_ret_t hotlist_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data) { WDialog *h = DIALOG (w); switch (msg) { case MSG_INIT: case MSG_NOTIFY: /* MSG_NOTIFY is fired by the listbox to tell us the item has changed. */ update_path_name (); return MSG_HANDLED; case MSG_UNHANDLED_KEY: return hotlist_handle_key (h, parm); case MSG_POST_KEY: /* * The code here has two purposes: * * (1) Always stay on the hotlist. * * Activating a button using its hotkey (and even pressing ENTER, as * there's a "default button") moves the focus to the button. But we * want to stay on the hotlist, to be able to use the usual keys (up, * down, etc.). So we do `widget_select (lst)`. * * (2) Refresh the hotlist. * * We may have run a command that changed the contents of the list. * We therefore need to refresh it. So we do `widget_draw (lst)`. */ { Widget *lst; lst = WIDGET (h == hotlist_dlg ? l_hotlist : l_movelist); /* widget_select() already redraws the widget, but since it's a * no-op if the widget is already selected ("focused"), we have * to call widget_draw() separately. */ if (!widget_get_state (lst, WST_FOCUSED)) widget_select (lst); else widget_draw (lst); } return MSG_HANDLED; case MSG_RESIZE: { WRect r = w->rect; r.lines = LINES - (h == hotlist_dlg ? 2 : 6); r.cols = COLS - 6; return dlg_default_callback (w, NULL, MSG_RESIZE, 0, &r); } default: return dlg_default_callback (w, sender, msg, parm, data); } } /* --------------------------------------------------------------------------------------------- */ static lcback_ret_t hotlist_listbox_callback (WListbox * list) { WDialog *dlg = DIALOG (WIDGET (list)->owner); if (!listbox_is_empty (list)) { void *data = NULL; listbox_get_current (list, NULL, &data); if (data != NULL) { struct hotlist *hlp = (struct hotlist *) data; if (hlp->type == HL_TYPE_ENTRY) { dlg->ret_value = B_ENTER; dlg_stop (dlg); return LISTBOX_DONE; } else { hotlist_button_callback (NULL, B_ENTER); send_message (dlg, NULL, MSG_POST_KEY, '\n', NULL); return LISTBOX_CONT; } } else { dlg->ret_value = B_ENTER; dlg_stop (dlg); return LISTBOX_DONE; } } hotlist_button_callback (NULL, B_UP_GROUP); send_message (dlg, NULL, MSG_POST_KEY, 'u', NULL); return LISTBOX_CONT; } /* --------------------------------------------------------------------------------------------- */ /** * Expands all button names (once) and recalculates button positions. * returns number of columns in the dialog box, which is 10 chars longer * then buttonbar. * * If common width of the window (i.e. in xterm) is less than returned * width - sorry :) (anyway this did not handled in previous version too) */ static int init_i18n_stuff (int list_type, int cols) { size_t i; static gboolean i18n_flag = FALSE; if (!i18n_flag) { for (i = 0; i < hotlist_but_num; i++) { #ifdef ENABLE_NLS hotlist_but[i].text = _(hotlist_but[i].text); #endif /* ENABLE_NLS */ hotlist_but[i].len = str_term_width1 (hotlist_but[i].text) + 3; if (hotlist_but[i].flags == DEFPUSH_BUTTON) hotlist_but[i].len += 2; } i18n_flag = TRUE; } /* Dynamic resizing of buttonbars */ { int len[2], count[2]; /* at most two lines of buttons */ int cur_x[2]; len[0] = len[1] = 0; count[0] = count[1] = 0; cur_x[0] = cur_x[1] = 0; /* Count len of buttonbars, assuming 1 extra space between buttons */ for (i = 0; i < hotlist_but_num; i++) if ((hotlist_but[i].type & list_type) != 0) { int row; row = hotlist_but[i].y; ++count[row]; len[row] += hotlist_but[i].len + 1; } (len[0])--; (len[1])--; cols = MAX (cols, MAX (len[0], len[1])); /* arrange buttons */ for (i = 0; i < hotlist_but_num; i++) if ((hotlist_but[i].type & list_type) != 0) { int row; row = hotlist_but[i].y; if (hotlist_but[i].x != 0) { /* not first int the row */ if (hotlist_but[i].ret_cmd == B_CANCEL) hotlist_but[i].x = cols - hotlist_but[i].len - 6; else hotlist_but[i].x = cur_x[row]; } cur_x[row] += hotlist_but[i].len + 1; } } return cols; } /* --------------------------------------------------------------------------------------------- */ static void init_hotlist (hotlist_t list_type) { size_t i; const char *title, *help_node; int lines, cols; int y; int dh = 0; WGroup *g; WGroupbox *path_box; Widget *hotlist_widget; do_refresh (); lines = LINES - 2; cols = init_i18n_stuff (list_type, COLS - 6); #ifdef ENABLE_VFS if (list_type == LIST_VFSLIST) { title = _("Active VFS directories"); help_node = "[vfshot]"; /* FIXME - no such node */ dh = 1; } else #endif /* !ENABLE_VFS */ { title = _("Directory hotlist"); help_node = "[Hotlist]"; } hotlist_dlg = dlg_create (TRUE, 0, 0, lines, cols, WPOS_CENTER, FALSE, dialog_colors, hotlist_callback, NULL, help_node, title); g = GROUP (hotlist_dlg); y = UY; hotlist_group = groupbox_new (y, UX, lines - 10 + dh, cols - 2 * UX, _("Top level group")); hotlist_widget = WIDGET (hotlist_group); group_add_widget_autopos (g, hotlist_widget, WPOS_KEEP_ALL, NULL); l_hotlist = listbox_new (y + 1, UX + 1, hotlist_widget->rect.lines - 2, hotlist_widget->rect.cols - 2, FALSE, hotlist_listbox_callback); /* Fill the hotlist with the active VFS or the hotlist */ #ifdef ENABLE_VFS if (list_type == LIST_VFSLIST) { listbox_add_item (l_hotlist, LISTBOX_APPEND_AT_END, 0, mc_config_get_home_dir (), NULL, FALSE); vfs_fill_names (add_name_to_list); } else #endif /* !ENABLE_VFS */ fill_listbox (l_hotlist); /* insert before groupbox to view scrollbar */ group_add_widget_autopos (g, l_hotlist, WPOS_KEEP_ALL, NULL); y += hotlist_widget->rect.lines; path_box = groupbox_new (y, UX, 3, hotlist_widget->rect.cols, _("Directory path")); group_add_widget_autopos (g, path_box, WPOS_KEEP_BOTTOM | WPOS_KEEP_HORZ, NULL); pname = label_new (y + 1, UX + 2, ""); group_add_widget_autopos (g, pname, WPOS_KEEP_BOTTOM | WPOS_KEEP_LEFT, NULL); y += WIDGET (path_box)->rect.lines; group_add_widget_autopos (g, hline_new (y++, -1, -1), WPOS_KEEP_BOTTOM, NULL); for (i = 0; i < hotlist_but_num; i++) if ((hotlist_but[i].type & list_type) != 0) group_add_widget_autopos (g, button_new (y + hotlist_but[i].y, UX + hotlist_but[i].x, hotlist_but[i].ret_cmd, hotlist_but[i].flags, hotlist_but[i].text, hotlist_button_callback), hotlist_but[i].pos_flags, NULL); widget_select (WIDGET (l_hotlist)); } /* --------------------------------------------------------------------------------------------- */ static void init_movelist (struct hotlist *item) { size_t i; char *hdr; int lines, cols; int y; WGroup *g; Widget *movelist_widget; do_refresh (); lines = LINES - 6; cols = init_i18n_stuff (LIST_MOVELIST, COLS - 6); hdr = g_strdup_printf (_("Moving %s"), item->label); movelist_dlg = dlg_create (TRUE, 0, 0, lines, cols, WPOS_CENTER, FALSE, dialog_colors, hotlist_callback, NULL, "[Hotlist]", hdr); g = GROUP (movelist_dlg); g_free (hdr); y = UY; movelist_group = groupbox_new (y, UX, lines - 7, cols - 2 * UX, _("Directory label")); movelist_widget = WIDGET (movelist_group); group_add_widget_autopos (g, movelist_widget, WPOS_KEEP_ALL, NULL); l_movelist = listbox_new (y + 1, UX + 1, movelist_widget->rect.lines - 2, movelist_widget->rect.cols - 2, FALSE, hotlist_listbox_callback); fill_listbox (l_movelist); /* insert before groupbox to view scrollbar */ group_add_widget_autopos (g, l_movelist, WPOS_KEEP_ALL, NULL); y += movelist_widget->rect.lines; group_add_widget_autopos (g, hline_new (y++, -1, -1), WPOS_KEEP_BOTTOM, NULL); for (i = 0; i < hotlist_but_num; i++) if ((hotlist_but[i].type & LIST_MOVELIST) != 0) group_add_widget_autopos (g, button_new (y + hotlist_but[i].y, UX + hotlist_but[i].x, hotlist_but[i].ret_cmd, hotlist_but[i].flags, hotlist_but[i].text, hotlist_button_callback), hotlist_but[i].pos_flags, NULL); widget_select (WIDGET (l_movelist)); } /* --------------------------------------------------------------------------------------------- */ /** * Destroy the list dialog. * Don't confuse with done_hotlist() for the list in memory. */ static void hotlist_done (void) { widget_destroy (WIDGET (hotlist_dlg)); l_hotlist = NULL; #if 0 update_panels (UP_OPTIMIZE, UP_KEEPSEL); #endif repaint_screen (); } /* --------------------------------------------------------------------------------------------- */ static inline char * find_group_section (struct hotlist *grp) { return g_strconcat (grp->directory, ".Group", (char *) NULL); } /* --------------------------------------------------------------------------------------------- */ static struct hotlist * add2hotlist (char *label, char *directory, enum HotListType type, listbox_append_t pos) { struct hotlist *new; struct hotlist *current = NULL; /* * Hotlist is neither loaded nor loading. * Must be called by "Ctrl-x a" before using hotlist. */ if (current_group == NULL) load_hotlist (); listbox_get_current (l_hotlist, NULL, (void **) ¤t); /* Make sure '..' stays at the top of the list. */ if ((current != NULL) && (current->type == HL_TYPE_DOTDOT)) pos = LISTBOX_APPEND_AFTER; new = g_new0 (struct hotlist, 1); new->type = type; new->label = label; new->directory = directory; new->up = current_group; if (type == HL_TYPE_GROUP) { current_group = new; add_dotdot_to_list (); current_group = new->up; } if (current_group->head == NULL) { /* first element in group */ current_group->head = new; } else if (pos == LISTBOX_APPEND_AFTER) { new->next = current->next; current->next = new; } else if (pos == LISTBOX_APPEND_BEFORE && current == current_group->head) { /* should be inserted before first item */ new->next = current; current_group->head = new; } else if (pos == LISTBOX_APPEND_BEFORE) { struct hotlist *p = current_group->head; while (p->next != current) p = p->next; new->next = current; p->next = new; } else { /* append at the end */ struct hotlist *p = current_group->head; while (p->next != NULL) p = p->next; p->next = new; } if (hotlist_state.running && type != HL_TYPE_COMMENT && type != HL_TYPE_DOTDOT) { if (type == HL_TYPE_GROUP) { char *lbl; lbl = g_strconcat ("->", new->label, (char *) NULL); listbox_add_item (l_hotlist, pos, 0, lbl, new, FALSE); g_free (lbl); } else listbox_add_item (l_hotlist, pos, 0, new->label, new, FALSE); listbox_select_entry (l_hotlist, l_hotlist->pos); } return new; } /* --------------------------------------------------------------------------------------------- */ static int add_new_entry_input (const char *header, const char *text1, const char *text2, const char *help, char **r1, char **r2) { quick_widget_t quick_widgets[] = { /* *INDENT-OFF* */ QUICK_LABELED_INPUT (text1, input_label_above, *r1, "input-lbl", r1, NULL, FALSE, FALSE, INPUT_COMPLETE_NONE), QUICK_SEPARATOR (FALSE), QUICK_LABELED_INPUT (text2, input_label_above, *r2, "input-lbl", r2, NULL, FALSE, FALSE, INPUT_COMPLETE_FILENAMES | INPUT_COMPLETE_CD), QUICK_START_BUTTONS (TRUE, TRUE), QUICK_BUTTON (N_("&Append"), B_APPEND, NULL, NULL), QUICK_BUTTON (N_("&Insert"), B_INSERT, NULL, NULL), QUICK_BUTTON (N_("&Cancel"), B_CANCEL, NULL, NULL), QUICK_END /* *INDENT-ON* */ }; WRect r = { -1, -1, 0, 64 }; quick_dialog_t qdlg = { r, header, help, quick_widgets, NULL, NULL }; int ret; ret = quick_dialog (&qdlg); return (ret != B_CANCEL) ? ret : 0; } /* --------------------------------------------------------------------------------------------- */ static void add_new_entry_cmd (WPanel * panel) { char *title, *url, *to_free; int ret; /* Take current directory as default value for input fields */ to_free = title = url = vfs_path_to_str_flags (panel->cwd_vpath, 0, VPF_STRIP_PASSWORD); ret = add_new_entry_input (_("New hotlist entry"), _("Directory label:"), _("Directory path:"), "[Hotlist]", &title, &url); g_free (to_free); if (ret == 0) return; if (title == NULL || *title == '\0' || url == NULL || *url == '\0') { g_free (title); g_free (url); return; } if (ret == B_ENTER || ret == B_APPEND) add2hotlist (title, url, HL_TYPE_ENTRY, LISTBOX_APPEND_AFTER); else add2hotlist (title, url, HL_TYPE_ENTRY, LISTBOX_APPEND_BEFORE); hotlist_state.modified = TRUE; } /* --------------------------------------------------------------------------------------------- */ static int add_new_group_input (const char *header, const char *label, char **result) { quick_widget_t quick_widgets[] = { /* *INDENT-OFF* */ QUICK_LABELED_INPUT (label, input_label_above, "", "input", result, NULL, FALSE, FALSE, INPUT_COMPLETE_NONE), QUICK_START_BUTTONS (TRUE, TRUE), QUICK_BUTTON (N_("&Append"), B_APPEND, NULL, NULL), QUICK_BUTTON (N_("&Insert"), B_INSERT, NULL, NULL), QUICK_BUTTON (N_("&Cancel"), B_CANCEL, NULL, NULL), QUICK_END /* *INDENT-ON* */ }; WRect r = { -1, -1, 0, 64 }; quick_dialog_t qdlg = { r, header, "[Hotlist]", quick_widgets, NULL, NULL }; int ret; ret = quick_dialog (&qdlg); return (ret != B_CANCEL) ? ret : 0; } /* --------------------------------------------------------------------------------------------- */ static void add_new_group_cmd (void) { char *label; int ret; ret = add_new_group_input (_("New hotlist group"), _("Name of new group:"), &label); if (ret == 0 || label == NULL || *label == '\0') return; if (ret == B_ENTER || ret == B_APPEND) add2hotlist (label, 0, HL_TYPE_GROUP, LISTBOX_APPEND_AFTER); else add2hotlist (label, 0, HL_TYPE_GROUP, LISTBOX_APPEND_BEFORE); hotlist_state.modified = TRUE; } /* --------------------------------------------------------------------------------------------- */ static void remove_group (struct hotlist *grp) { struct hotlist *current = grp->head; while (current != NULL) { struct hotlist *next = current->next; if (current->type == HL_TYPE_GROUP) remove_group (current); g_free (current->label); g_free (current->directory); g_free (current); current = next; } } /* --------------------------------------------------------------------------------------------- */ static void remove_from_hotlist (struct hotlist *entry) { if (entry == NULL) return; if (entry->type == HL_TYPE_DOTDOT) return; if (confirm_directory_hotlist_delete) { char text[BUF_MEDIUM]; int result; if (safe_delete) query_set_sel (1); g_snprintf (text, sizeof (text), _("Are you sure you want to remove entry \"%s\"?"), str_trunc (entry->label, 30)); result = query_dialog (Q_ ("DialogTitle|Delete"), text, D_ERROR | D_CENTER, 2, _("&Yes"), _("&No")); if (result != 0) return; } if (entry->type == HL_TYPE_GROUP) { struct hotlist *head = entry->head; if (head != NULL && (head->type != HL_TYPE_DOTDOT || head->next != NULL)) { char text[BUF_MEDIUM]; int result; g_snprintf (text, sizeof (text), _("Group \"%s\" is not empty.\nRemove it?"), str_trunc (entry->label, 30)); result = query_dialog (Q_ ("DialogTitle|Delete"), text, D_ERROR | D_CENTER, 2, _("&Yes"), _("&No")); if (result != 0) return; } remove_group (entry); } unlink_entry (entry); g_free (entry->label); g_free (entry->directory); g_free (entry); /* now remove list entry from screen */ listbox_remove_current (l_hotlist); hotlist_state.modified = TRUE; } /* --------------------------------------------------------------------------------------------- */ static void load_group (struct hotlist *grp) { gchar **profile_keys, **keys; char *group_section; struct hotlist *current = 0; group_section = find_group_section (grp); keys = mc_config_get_keys (mc_global.main_config, group_section, NULL); current_group = grp; for (profile_keys = keys; *profile_keys != NULL; profile_keys++) add2hotlist (mc_config_get_string (mc_global.main_config, group_section, *profile_keys, ""), g_strdup (*profile_keys), HL_TYPE_GROUP, LISTBOX_APPEND_AT_END); g_strfreev (keys); keys = mc_config_get_keys (mc_global.main_config, grp->directory, NULL); for (profile_keys = keys; *profile_keys != NULL; profile_keys++) add2hotlist (mc_config_get_string (mc_global.main_config, group_section, *profile_keys, ""), g_strdup (*profile_keys), HL_TYPE_ENTRY, LISTBOX_APPEND_AT_END); g_free (group_section); g_strfreev (keys); for (current = grp->head; current; current = current->next) load_group (current); } /* --------------------------------------------------------------------------------------------- */ static int hot_skip_blanks (void) { int c; while ((c = getc (hotlist_file)) != EOF && c != '\n' && g_ascii_isspace (c)) ; return c; } /* --------------------------------------------------------------------------------------------- */ static int hot_next_token (void) { int c, ret = 0; size_t l; if (tkn_buf == NULL) tkn_buf = g_string_new (""); g_string_set_size (tkn_buf, 0); again: c = hot_skip_blanks (); switch (c) { case EOF: ret = TKN_EOF; break; case '\n': ret = TKN_EOL; break; case '#': while ((c = getc (hotlist_file)) != EOF && c != '\n') g_string_append_c (tkn_buf, c); ret = TKN_COMMENT; break; case '"': while ((c = getc (hotlist_file)) != EOF && c != '"') { if (c == '\\') { c = getc (hotlist_file); if (c == EOF) { g_string_free (tkn_buf, TRUE); return TKN_EOF; } } g_string_append_c (tkn_buf, c == '\n' ? ' ' : c); } ret = (c == EOF) ? TKN_EOF : TKN_STRING; break; case '\\': c = getc (hotlist_file); if (c == EOF) { g_string_free (tkn_buf, TRUE); return TKN_EOF; } if (c == '\n') goto again; MC_FALLTHROUGH; /* it is taken as normal character */ default: do { g_string_append_c (tkn_buf, g_ascii_toupper (c)); } while ((c = fgetc (hotlist_file)) != EOF && (g_ascii_isalnum (c) || !isascii (c))); if (c != EOF) ungetc (c, hotlist_file); l = tkn_buf->len; if (strncmp (tkn_buf->str, "GROUP", l) == 0) ret = TKN_GROUP; else if (strncmp (tkn_buf->str, "ENTRY", l) == 0) ret = TKN_ENTRY; else if (strncmp (tkn_buf->str, "ENDGROUP", l) == 0) ret = TKN_ENDGROUP; else if (strncmp (tkn_buf->str, "URL", l) == 0) ret = TKN_URL; else ret = TKN_UNKNOWN; break; } return ret; } /* --------------------------------------------------------------------------------------------- */ static void hot_load_group (struct hotlist *grp) { int tkn; struct hotlist *new_grp; char *label, *url; current_group = grp; while ((tkn = hot_next_token ()) != TKN_ENDGROUP) switch (tkn) { case TKN_GROUP: CHECK_TOKEN (TKN_STRING); new_grp = add2hotlist (g_strndup (tkn_buf->str, tkn_buf->len), 0, HL_TYPE_GROUP, LISTBOX_APPEND_AT_END); SKIP_TO_EOL; hot_load_group (new_grp); current_group = grp; break; case TKN_ENTRY: { CHECK_TOKEN (TKN_STRING); label = g_strndup (tkn_buf->str, tkn_buf->len); CHECK_TOKEN (TKN_URL); CHECK_TOKEN (TKN_STRING); url = tilde_expand (tkn_buf->str); add2hotlist (label, url, HL_TYPE_ENTRY, LISTBOX_APPEND_AT_END); SKIP_TO_EOL; } break; case TKN_COMMENT: label = g_strndup (tkn_buf->str, tkn_buf->len); add2hotlist (label, 0, HL_TYPE_COMMENT, LISTBOX_APPEND_AT_END); break; case TKN_EOF: hotlist_state.readonly = TRUE; hotlist_state.file_error = TRUE; return; case TKN_EOL: /* skip empty lines */ break; default: hotlist_state.readonly = TRUE; hotlist_state.file_error = TRUE; SKIP_TO_EOL; break; } SKIP_TO_EOL; } /* --------------------------------------------------------------------------------------------- */ static void hot_load_file (struct hotlist *grp) { int tkn; struct hotlist *new_grp; char *label, *url; current_group = grp; while ((tkn = hot_next_token ()) != TKN_EOF) switch (tkn) { case TKN_GROUP: CHECK_TOKEN (TKN_STRING); new_grp = add2hotlist (g_strndup (tkn_buf->str, tkn_buf->len), 0, HL_TYPE_GROUP, LISTBOX_APPEND_AT_END); SKIP_TO_EOL; hot_load_group (new_grp); current_group = grp; break; case TKN_ENTRY: { CHECK_TOKEN (TKN_STRING); label = g_strndup (tkn_buf->str, tkn_buf->len); CHECK_TOKEN (TKN_URL); CHECK_TOKEN (TKN_STRING); url = tilde_expand (tkn_buf->str); add2hotlist (label, url, HL_TYPE_ENTRY, LISTBOX_APPEND_AT_END); SKIP_TO_EOL; } break; case TKN_COMMENT: label = g_strndup (tkn_buf->str, tkn_buf->len); add2hotlist (label, 0, HL_TYPE_COMMENT, LISTBOX_APPEND_AT_END); break; case TKN_EOL: /* skip empty lines */ break; default: hotlist_state.readonly = TRUE; hotlist_state.file_error = TRUE; SKIP_TO_EOL; break; } } /* --------------------------------------------------------------------------------------------- */ static void clean_up_hotlist_groups (const char *section) { char *grp_section; grp_section = g_strconcat (section, ".Group", (char *) NULL); if (mc_config_has_group (mc_global.main_config, section)) mc_config_del_group (mc_global.main_config, section); if (mc_config_has_group (mc_global.main_config, grp_section)) { char **profile_keys, **keys; keys = mc_config_get_keys (mc_global.main_config, grp_section, NULL); for (profile_keys = keys; *profile_keys != NULL; profile_keys++) clean_up_hotlist_groups (*profile_keys); g_strfreev (keys); mc_config_del_group (mc_global.main_config, grp_section); } g_free (grp_section); } /* --------------------------------------------------------------------------------------------- */ static void load_hotlist (void) { gboolean remove_old_list = FALSE; struct stat stat_buf; if (hotlist_state.loaded) { stat (hotlist_file_name, &stat_buf); if (hotlist_file_mtime < stat_buf.st_mtime) done_hotlist (); else return; } if (hotlist_file_name == NULL) hotlist_file_name = mc_config_get_full_path (MC_HOTLIST_FILE); hotlist = g_new0 (struct hotlist, 1); hotlist->type = HL_TYPE_GROUP; hotlist->label = g_strdup (_("Top level group")); hotlist->up = hotlist; /* * compatibility :-( */ hotlist->directory = g_strdup ("Hotlist"); hotlist_file = fopen (hotlist_file_name, "r"); if (hotlist_file == NULL) { int result; load_group (hotlist); hotlist_state.loaded = TRUE; /* * just to be sure we got copy */ hotlist_state.modified = TRUE; result = save_hotlist (); hotlist_state.modified = FALSE; if (result != 0) remove_old_list = TRUE; else message (D_ERROR, _("Hotlist Load"), _ ("MC was unable to write %s file,\nyour old hotlist entries were not deleted"), MC_USERCONF_DIR PATH_SEP_STR MC_HOTLIST_FILE); } else { hot_load_file (hotlist); fclose (hotlist_file); hotlist_state.loaded = TRUE; } if (remove_old_list) { GError *mcerror = NULL; clean_up_hotlist_groups ("Hotlist"); if (!mc_config_save_file (mc_global.main_config, &mcerror)) setup_save_config_show_error (mc_global.main_config->ini_path, &mcerror); mc_error_message (&mcerror, NULL); } stat (hotlist_file_name, &stat_buf); hotlist_file_mtime = stat_buf.st_mtime; current_group = hotlist; } /* --------------------------------------------------------------------------------------------- */ static void hot_save_group (struct hotlist *grp) { struct hotlist *current; int i; char *s; #define INDENT(n) \ do { \ for (i = 0; i < n; i++) \ putc (' ', hotlist_file); \ } while (0) for (current = grp->head; current != NULL; current = current->next) switch (current->type) { case HL_TYPE_GROUP: INDENT (list_level); fputs ("GROUP \"", hotlist_file); for (s = current->label; *s != '\0'; s++) { if (*s == '"' || *s == '\\') putc ('\\', hotlist_file); putc (*s, hotlist_file); } fputs ("\"\n", hotlist_file); list_level += 2; hot_save_group (current); list_level -= 2; INDENT (list_level); fputs ("ENDGROUP\n", hotlist_file); break; case HL_TYPE_ENTRY: INDENT (list_level); fputs ("ENTRY \"", hotlist_file); for (s = current->label; *s != '\0'; s++) { if (*s == '"' || *s == '\\') putc ('\\', hotlist_file); putc (*s, hotlist_file); } fputs ("\" URL \"", hotlist_file); for (s = current->directory; *s != '\0'; s++) { if (*s == '"' || *s == '\\') putc ('\\', hotlist_file); putc (*s, hotlist_file); } fputs ("\"\n", hotlist_file); break; case HL_TYPE_COMMENT: fprintf (hotlist_file, "#%s\n", current->label); break; case HL_TYPE_DOTDOT: /* do nothing */ break; default: break; } } /* --------------------------------------------------------------------------------------------- */ static void add_dotdot_to_list (void) { if (current_group != hotlist && hotlist_has_dot_dot) add2hotlist (g_strdup (".."), g_strdup (".."), HL_TYPE_DOTDOT, LISTBOX_APPEND_AT_END); } /* --------------------------------------------------------------------------------------------- */ /*** public functions ****************************************************************************/ /* --------------------------------------------------------------------------------------------- */ void add2hotlist_cmd (WPanel * panel) { char *lc_prompt; const char *cp = N_("Label for \"%s\":"); int l; char *label_string, *label; #ifdef ENABLE_NLS cp = _(cp); #endif /* extra variable to use it in the button callback */ our_panel = panel; l = str_term_width1 (cp); label_string = vfs_path_to_str_flags (panel->cwd_vpath, 0, VPF_STRIP_PASSWORD); lc_prompt = g_strdup_printf (cp, str_trunc (label_string, COLS - 2 * UX - (l + 8))); label = input_dialog (_("Add to hotlist"), lc_prompt, MC_HISTORY_HOTLIST_ADD, label_string, INPUT_COMPLETE_NONE); g_free (lc_prompt); if (label == NULL || *label == '\0') { g_free (label_string); g_free (label); } else { add2hotlist (label, label_string, HL_TYPE_ENTRY, LISTBOX_APPEND_AT_END); hotlist_state.modified = TRUE; } } /* --------------------------------------------------------------------------------------------- */ char * hotlist_show (hotlist_t list_type, WPanel * panel) { char *target = NULL; int res; /* extra variable to use it in the button callback */ our_panel = panel; hotlist_state.type = list_type; load_hotlist (); init_hotlist (list_type); /* display file info */ tty_setcolor (SELECTED_COLOR); hotlist_state.running = TRUE; res = dlg_run (hotlist_dlg); hotlist_state.running = FALSE; save_hotlist (); if (res == B_ENTER) { char *text = NULL; struct hotlist *hlp = NULL; listbox_get_current (l_hotlist, &text, (void **) &hlp); target = g_strdup (hlp != NULL ? hlp->directory : text); } hotlist_done (); return target; } /* --------------------------------------------------------------------------------------------- */ gboolean save_hotlist (void) { gboolean saved = FALSE; struct stat stat_buf; if (!hotlist_state.readonly && hotlist_state.modified && hotlist_file_name != NULL) { mc_util_make_backup_if_possible (hotlist_file_name, ".bak"); hotlist_file = fopen (hotlist_file_name, "w"); if (hotlist_file == NULL) mc_util_restore_from_backup_if_possible (hotlist_file_name, ".bak"); else { hot_save_group (hotlist); fclose (hotlist_file); stat (hotlist_file_name, &stat_buf); hotlist_file_mtime = stat_buf.st_mtime; hotlist_state.modified = FALSE; saved = TRUE; } } return saved; } /* --------------------------------------------------------------------------------------------- */ /** * Unload list from memory. * Don't confuse with hotlist_done() for GUI. */ void done_hotlist (void) { if (hotlist != NULL) { remove_group (hotlist); g_free (hotlist->label); g_free (hotlist->directory); MC_PTR_FREE (hotlist); } hotlist_state.loaded = FALSE; MC_PTR_FREE (hotlist_file_name); l_hotlist = NULL; current_group = NULL; if (tkn_buf != NULL) { g_string_free (tkn_buf, TRUE); tkn_buf = NULL; } } /* --------------------------------------------------------------------------------------------- */