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Diffstat (limited to '')
| -rw-r--r-- | src/filemanager/chattr.c | 1363 |
1 files changed, 1363 insertions, 0 deletions
diff --git a/src/filemanager/chattr.c b/src/filemanager/chattr.c new file mode 100644 index 0000000..b8967ea --- /dev/null +++ b/src/filemanager/chattr.c @@ -0,0 +1,1363 @@ +/* + Chattr command -- for the Midnight Commander + + Copyright (C) 2020-2022 + Free Software Foundation, Inc. + + Written by: + Andrew Borodin <aborodin@vmail.ru>, 2020-2022 + + 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 <http://www.gnu.org/licenses/>. + */ + +/** \file chattr.c + * \brief Source: chattr command + */ + +/* TODO: change attributes recursively (ticket #3109) */ + +#include <config.h> + +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include <e2p/e2p.h> +#include <ext2fs/ext2_fs.h> + +#include "lib/global.h" + +#include "lib/tty/tty.h" /* tty_print*() */ +#include "lib/tty/color.h" /* tty_setcolor() */ +#include "lib/skin.h" /* COLOR_NORMAL, DISABLED_COLOR */ +#include "lib/vfs/vfs.h" +#include "lib/widget.h" + +#include "src/keymap.h" /* chattr_map */ + +#include "cmd.h" /* chattr_cmd(), chattr_get_as_str() */ + +/*** global variables ****************************************************************************/ + +/*** file scope macro definitions ****************************************************************/ + +#define B_MARKED B_USER +#define B_SETALL (B_USER + 1) +#define B_SETMRK (B_USER + 2) +#define B_CLRMRK (B_USER + 3) + +#define BUTTONS 6 + +#define CHATTRBOXES(x) ((WChattrBoxes *)(x)) + +/*** file scope type declarations ****************************************************************/ + +typedef struct WFileAttrText WFileAttrText; + +struct WFileAttrText +{ + Widget widget; /* base class */ + + char *filename; + int filename_width; /* cached width of file name */ + char attrs[32 + 1]; /* 32 bits in attributes (unsigned long) */ +}; + +typedef struct WChattrBoxes WChattrBoxes; + +struct WChattrBoxes +{ + WGroup base; /* base class */ + + int pos; /* The current checkbox selected */ + int top; /* The first flag displayed */ +}; + +/*** file scope variables ************************************************************************/ + +/* see /usr/include/ext2fs/ext2_fs.h + * + * EXT2_SECRM_FL 0x00000001 -- Secure deletion + * EXT2_UNRM_FL 0x00000002 -- Undelete + * EXT2_COMPR_FL 0x00000004 -- Compress file + * EXT2_SYNC_FL 0x00000008 -- Synchronous updates + * EXT2_IMMUTABLE_FL 0x00000010 -- Immutable file + * EXT2_APPEND_FL 0x00000020 -- writes to file may only append + * EXT2_NODUMP_FL 0x00000040 -- do not dump file + * EXT2_NOATIME_FL 0x00000080 -- do not update atime + * * Reserved for compression usage... + * EXT2_DIRTY_FL 0x00000100 + * EXT2_COMPRBLK_FL 0x00000200 -- One or more compressed clusters + * EXT2_NOCOMPR_FL 0x00000400 -- Access raw compressed data + * * nb: was previously EXT2_ECOMPR_FL + * EXT4_ENCRYPT_FL 0x00000800 -- encrypted inode + * * End compression flags --- maybe not all used + * EXT2_BTREE_FL 0x00001000 -- btree format dir + * EXT2_INDEX_FL 0x00001000 -- hash-indexed directory + * EXT2_IMAGIC_FL 0x00002000 + * EXT3_JOURNAL_DATA_FL 0x00004000 -- file data should be journaled + * EXT2_NOTAIL_FL 0x00008000 -- file tail should not be merged + * EXT2_DIRSYNC_FL 0x00010000 -- Synchronous directory modifications + * EXT2_TOPDIR_FL 0x00020000 -- Top of directory hierarchies + * EXT4_HUGE_FILE_FL 0x00040000 -- Set to each huge file + * EXT4_EXTENTS_FL 0x00080000 -- Inode uses extents + * EXT4_VERITY_FL 0x00100000 -- Verity protected inode + * EXT4_EA_INODE_FL 0x00200000 -- Inode used for large EA + * EXT4_EOFBLOCKS_FL 0x00400000 was here, unused + * FS_NOCOW_FL 0x00800000 -- Do not cow file + * EXT4_SNAPFILE_FL 0x01000000 -- Inode is a snapshot + * FS_DAX_FL 0x02000000 -- Inode is DAX + * EXT4_SNAPFILE_DELETED_FL 0x04000000 -- Snapshot is being deleted + * EXT4_SNAPFILE_SHRUNK_FL 0x08000000 -- Snapshot shrink has completed + * EXT4_INLINE_DATA_FL 0x10000000 -- Inode has inline data + * EXT4_PROJINHERIT_FL 0x20000000 -- Create with parents projid + * EXT4_CASEFOLD_FL 0x40000000 -- Casefolded file + * 0x80000000 -- unused yet + */ + +static struct +{ + unsigned long flags; + char attr; + const char *text; + gboolean selected; + gboolean state; /* state of checkboxes */ +} check_attr[] = +{ + /* *INDENT-OFF* */ + { EXT2_SECRM_FL, 's', N_("Secure deletion"), FALSE, FALSE }, + { EXT2_UNRM_FL, 'u', N_("Undelete"), FALSE, FALSE }, + { EXT2_SYNC_FL, 'S', N_("Synchronous updates"), FALSE, FALSE }, + { EXT2_DIRSYNC_FL, 'D', N_("Synchronous directory updates"), FALSE, FALSE }, + { EXT2_IMMUTABLE_FL, 'i', N_("Immutable"), FALSE, FALSE }, + { EXT2_APPEND_FL, 'a', N_("Append only"), FALSE, FALSE }, + { EXT2_NODUMP_FL, 'd', N_("No dump"), FALSE, FALSE }, + { EXT2_NOATIME_FL, 'A', N_("No update atime"), FALSE, FALSE }, + { EXT2_COMPR_FL, 'c', N_("Compress"), FALSE, FALSE }, +#ifdef EXT2_COMPRBLK_FL + /* removed in v1.43-WIP-2015-05-18 + ext2fsprogs 4a05268cf86f7138c78d80a53f7e162f32128a3d 2015-04-12 */ + { EXT2_COMPRBLK_FL, 'B', N_("Compressed clusters"), FALSE, FALSE }, +#endif +#ifdef EXT2_DIRTY_FL + /* removed in v1.43-WIP-2015-05-18 + ext2fsprogs 4a05268cf86f7138c78d80a53f7e162f32128a3d 2015-04-12 */ + { EXT2_DIRTY_FL, 'Z', N_("Compressed dirty file"), FALSE, FALSE }, +#endif +#ifdef EXT2_NOCOMPR_FL + /* removed in v1.43-WIP-2015-05-18 + ext2fsprogs 4a05268cf86f7138c78d80a53f7e162f32128a3d 2015-04-12 */ + { EXT2_NOCOMPR_FL, 'X', N_("Compression raw access"), FALSE, FALSE }, +#endif +#ifdef EXT4_ENCRYPT_FL + { EXT4_ENCRYPT_FL, 'E', N_("Encrypted inode"), FALSE, FALSE }, +#endif + { EXT3_JOURNAL_DATA_FL, 'j', N_("Journaled data"), FALSE, FALSE }, + { EXT2_INDEX_FL, 'I', N_("Indexed directory"), FALSE, FALSE }, + { EXT2_NOTAIL_FL, 't', N_("No tail merging"), FALSE, FALSE }, + { EXT2_TOPDIR_FL, 'T', N_("Top of directory hierarchies"), FALSE, FALSE }, + { EXT4_EXTENTS_FL, 'e', N_("Inode uses extents"), FALSE, FALSE }, +#ifdef EXT4_HUGE_FILE_FL + /* removed in v1.43.9 + ext2fsprogs 4825daeb0228e556444d199274b08c499ac3706c 2018-02-06 */ + { EXT4_HUGE_FILE_FL, 'h', N_("Huge_file"), FALSE, FALSE }, +#endif + { FS_NOCOW_FL, 'C', N_("No COW"), FALSE, FALSE }, +#ifdef FS_DAX_FL + /* added in v1.45.7 + ext2fsprogs 1dd48bc23c3776df76459aff0c7723fff850ea45 2020-07-28 */ + { FS_DAX_FL, 'x', N_("Direct access for files"), FALSE, FALSE }, +#endif +#ifdef EXT4_CASEFOLD_FL + /* added in v1.45.0 + ext2fsprogs 1378bb6515e98a27f0f5c220381d49d20544204e 2018-12-01 */ + { EXT4_CASEFOLD_FL, 'F', N_("Casefolded file"), FALSE, FALSE }, +#endif +#ifdef EXT4_INLINE_DATA_FL + { EXT4_INLINE_DATA_FL, 'N', N_("Inode has inline data"), FALSE, FALSE }, +#endif +#ifdef EXT4_PROJINHERIT_FL + /* added in v1.43-WIP-2016-05-12 + ext2fsprogs e1cec4464bdaf93ea609de43c5cdeb6a1f553483 2016-03-07 + 97d7e2fdb2ebec70c3124c1a6370d28ec02efad0 2016-05-09 */ + { EXT4_PROJINHERIT_FL, 'P', N_("Project hierarchy"), FALSE, FALSE }, +#endif +#ifdef EXT4_VERITY_FL + /* added in v1.44.4 + ext2fsprogs faae7aa00df0abe7c6151fc4947aa6501b981ee1 2018-08-14 + v1.44.5 + ext2fsprogs 7e5a95e3d59719361661086ec7188ca6e674f139 2018-08-21 */ + { EXT4_VERITY_FL, 'V', N_("Verity protected inode"), FALSE, FALSE } +#endif + /* *INDENT-ON* */ +}; + +/* number of attributes */ +static const size_t check_attr_num = G_N_ELEMENTS (check_attr); + +/* modifable attribute numbers */ +static int check_attr_mod[32]; +static int check_attr_mod_num = 0; /* 0..31 */ + +/* maximum width of attribute text */ +static int check_attr_width = 0; + +static struct +{ + int ret_cmd; + button_flags_t flags; + int width; + const char *text; + Widget *button; +} chattr_but[BUTTONS] = +{ + /* *INDENT-OFF* */ + /* 0 */ { B_SETALL, NORMAL_BUTTON, 0, N_("Set &all"), NULL }, + /* 1 */ { B_MARKED, NORMAL_BUTTON, 0, N_("&Marked all"), NULL }, + /* 2 */ { B_SETMRK, NORMAL_BUTTON, 0, N_("S&et marked"), NULL }, + /* 3 */ { B_CLRMRK, NORMAL_BUTTON, 0, N_("C&lear marked"), NULL }, + /* 4 */ { B_ENTER, DEFPUSH_BUTTON, 0, N_("&Set"), NULL }, + /* 5 */ { B_CANCEL, NORMAL_BUTTON, 0, N_("&Cancel"), NULL } + /* *INDENT-ON* */ +}; + +static gboolean flags_changed; +static int current_file; +static gboolean ignore_all; + +static unsigned long and_mask, or_mask, flags; + +static WFileAttrText *file_attr; + +/* x-coord of widget in the dialog */ +static const int wx = 3; + +/* --------------------------------------------------------------------------------------------- */ +/*** file scope functions ************************************************************************/ +/* --------------------------------------------------------------------------------------------- */ + +static inline gboolean +chattr_is_modifiable (size_t i) +{ + return ((check_attr[i].flags & EXT2_FL_USER_MODIFIABLE) != 0); +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +chattr_fill_str (unsigned long attr, char *str) +{ + size_t i; + + for (i = 0; i < check_attr_num; i++) + str[i] = (attr & check_attr[i].flags) != 0 ? check_attr[i].attr : '-'; + + str[check_attr_num] = '\0'; +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +fileattrtext_fill (WFileAttrText * fat, unsigned long attr) +{ + chattr_fill_str (attr, fat->attrs); + widget_draw (WIDGET (fat)); +} + +/* --------------------------------------------------------------------------------------------- */ + +static cb_ret_t +fileattrtext_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data) +{ + WFileAttrText *fat = (WFileAttrText *) w; + + switch (msg) + { + case MSG_DRAW: + { + int color; + size_t i; + + color = COLOR_NORMAL; + tty_setcolor (color); + + if (w->rect.cols > fat->filename_width) + { + widget_gotoyx (w, 0, (w->rect.cols - fat->filename_width) / 2); + tty_print_string (fat->filename); + } + else + { + widget_gotoyx (w, 0, 0); + tty_print_string (str_trunc (fat->filename, w->rect.cols)); + } + + /* hope that w->cols is greater than check_attr_num */ + widget_gotoyx (w, 1, (w->rect.cols - check_attr_num) / 2); + for (i = 0; i < check_attr_num; i++) + { + /* Do not set new color for each symbol. Try to use previous color. */ + if (chattr_is_modifiable (i)) + { + if (color == DISABLED_COLOR) + { + color = COLOR_NORMAL; + tty_setcolor (color); + } + } + else + { + if (color != DISABLED_COLOR) + { + color = DISABLED_COLOR; + tty_setcolor (color); + } + } + + tty_print_char (fat->attrs[i]); + } + return MSG_HANDLED; + } + + case MSG_RESIZE: + { + const WRect *wo = &CONST_WIDGET (w->owner)->rect; + + widget_default_callback (w, sender, msg, parm, data); + /* intially file name may be wider than screen */ + if (fat->filename_width > wo->cols - wx * 2) + { + w->rect.x = wo->x + wx; + w->rect.cols = wo->cols - wx * 2; + } + return MSG_HANDLED; + } + + case MSG_DESTROY: + g_free (fat->filename); + return MSG_HANDLED; + + default: + return widget_default_callback (w, sender, msg, parm, data); + } +} + +/* --------------------------------------------------------------------------------------------- */ + +static WFileAttrText * +fileattrtext_new (int y, int x, const char *filename, unsigned long attr) +{ + WRect r = { y, x, 2, 1 }; + WFileAttrText *fat; + int width; + + width = str_term_width1 (filename); + r.cols = MAX (width, (int) check_attr_num); + + fat = g_new (WFileAttrText, 1); + widget_init (WIDGET (fat), &r, fileattrtext_callback, NULL); + + fat->filename = g_strdup (filename); + fat->filename_width = width; + fileattrtext_fill (fat, attr); + + return fat; +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +chattr_draw_select (const Widget * w, gboolean selected) +{ + widget_gotoyx (w, 0, -1); + tty_print_char (selected ? '*' : ' '); + widget_gotoyx (w, 0, 1); +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +chattr_toggle_select (const WChattrBoxes * cb, int Id) +{ + Widget *w; + + /* find checkbox */ + w = WIDGET (g_list_nth_data (CONST_GROUP (cb)->widgets, Id - cb->top)); + + check_attr[Id].selected = !check_attr[Id].selected; + + tty_setcolor (COLOR_NORMAL); + chattr_draw_select (w, check_attr[Id].selected); +} + +/* --------------------------------------------------------------------------------------------- */ + +static inline void +chattrboxes_draw_scrollbar (const WChattrBoxes * cb) +{ + const Widget *w = CONST_WIDGET (cb); + int max_line; + int line; + int i; + + /* Are we at the top? */ + widget_gotoyx (w, 0, w->rect.cols); + if (cb->top == 0) + tty_print_one_vline (TRUE); + else + tty_print_char ('^'); + + max_line = w->rect.lines - 1; + + /* Are we at the bottom? */ + widget_gotoyx (w, max_line, w->rect.cols); + if (cb->top + w->rect.lines == check_attr_mod_num || w->rect.lines >= check_attr_mod_num) + tty_print_one_vline (TRUE); + else + tty_print_char ('v'); + + /* Now draw the nice relative pointer */ + line = 1 + (cb->pos * (w->rect.lines - 2)) / check_attr_mod_num; + + for (i = 1; i < max_line; i++) + { + widget_gotoyx (w, i, w->rect.cols); + if (i != line) + tty_print_one_vline (TRUE); + else + tty_print_char ('*'); + } +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +chattrboxes_draw (WChattrBoxes * cb) +{ + Widget *w = WIDGET (cb); + int i; + GList *l; + const int *colors; + + colors = widget_get_colors (w); + tty_setcolor (colors[DLG_COLOR_NORMAL]); + tty_fill_region (w->rect.y, w->rect.x - 1, w->rect.lines, w->rect.cols + 1, ' '); + + /* redraw checkboxes */ + group_default_callback (w, NULL, MSG_DRAW, 0, NULL); + + /* draw scrollbar */ + tty_setcolor (colors[DLG_COLOR_NORMAL]); + if (!mc_global.tty.slow_terminal && check_attr_mod_num > w->rect.lines) + chattrboxes_draw_scrollbar (cb); + + /* mark selected checkboxes */ + for (i = cb->top, l = GROUP (cb)->widgets; l != NULL; i++, l = g_list_next (l)) + chattr_draw_select (WIDGET (l->data), check_attr[i].selected); +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +chattrboxes_rename (WChattrBoxes * cb) +{ + Widget *w = WIDGET (cb); + gboolean active; + int i; + GList *l; + char btext[BUF_SMALL]; /* FIXME: is 128 bytes enough? */ + + active = widget_get_state (w, WST_ACTIVE); + + /* lock the group to avoid redraw of checkboxes individually */ + if (active) + widget_set_state (w, WST_SUSPENDED, TRUE); + + for (i = cb->top, l = GROUP (cb)->widgets; l != NULL; i++, l = g_list_next (l)) + { + WCheck *c = CHECK (l->data); + int m; + + m = check_attr_mod[i]; + g_snprintf (btext, sizeof (btext), "(%c) %s", check_attr[m].attr, check_attr[m].text); + check_set_text (c, btext); + c->state = check_attr[m].state; + } + + /* unlock */ + if (active) + widget_set_state (w, WST_ACTIVE, TRUE); + + widget_draw (w); +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +checkboxes_save_state (const WChattrBoxes * cb) +{ + int i; + GList *l; + + for (i = cb->top, l = CONST_GROUP (cb)->widgets; l != NULL; i++, l = g_list_next (l)) + { + int m; + + m = check_attr_mod[i]; + check_attr[m].state = CHECK (l->data)->state; + } +} + +/* --------------------------------------------------------------------------------------------- */ + +static cb_ret_t +chattrboxes_down (WChattrBoxes * cb) +{ + if (cb->pos == cb->top + WIDGET (cb)->rect.lines - 1) + { + /* We are on the last checkbox. + Keep this position. */ + + if (cb->pos == check_attr_mod_num - 1) + /* get out of widget */ + return MSG_NOT_HANDLED; + + /* emulate scroll of checkboxes */ + checkboxes_save_state (cb); + cb->pos++; + cb->top++; + chattrboxes_rename (cb); + } + else /* cb->pos > cb-top */ + { + GList *l; + + /* select next checkbox */ + cb->pos++; + l = g_list_next (GROUP (cb)->current); + widget_select (WIDGET (l->data)); + } + + return MSG_HANDLED; +} + +/* --------------------------------------------------------------------------------------------- */ + +static cb_ret_t +chattrboxes_page_down (WChattrBoxes * cb) +{ + WGroup *g = GROUP (cb); + GList *l; + + if (cb->pos == check_attr_mod_num - 1) + { + /* We are on the last checkbox. + Keep this position. + Do nothing. */ + l = g_list_last (g->widgets); + } + else + { + int i = WIDGET (cb)->rect.lines; + + checkboxes_save_state (cb); + + if (cb->top > check_attr_mod_num - 2 * i) + i = check_attr_mod_num - i - cb->top; + if (cb->top + i < 0) + i = -cb->top; + if (i == 0) + { + cb->pos = check_attr_mod_num - 1; + cb->top += i; + l = g_list_last (g->widgets); + } + else + { + cb->pos += i; + cb->top += i; + l = g_list_nth (g->widgets, cb->pos - cb->top); + } + + chattrboxes_rename (cb); + } + + widget_select (WIDGET (l->data)); + + return MSG_HANDLED; +} + +/* --------------------------------------------------------------------------------------------- */ + +static cb_ret_t +chattrboxes_end (WChattrBoxes * cb) +{ + GList *l; + + checkboxes_save_state (cb); + cb->pos = check_attr_mod_num - 1; + cb->top = cb->pos - WIDGET (cb)->rect.lines + 1; + l = g_list_last (GROUP (cb)->widgets); + chattrboxes_rename (cb); + widget_select (WIDGET (l->data)); + + return MSG_HANDLED; +} + +/* --------------------------------------------------------------------------------------------- */ + +static cb_ret_t +chattrboxes_up (WChattrBoxes * cb) +{ + if (cb->pos == cb->top) + { + /* We are on the first checkbox. + Keep this position. */ + + if (cb->top == 0) + /* get out of widget */ + return MSG_NOT_HANDLED; + + /* emulate scroll of checkboxes */ + checkboxes_save_state (cb); + cb->pos--; + cb->top--; + chattrboxes_rename (cb); + } + else /* cb->pos > cb-top */ + { + GList *l; + + /* select previous checkbox */ + cb->pos--; + l = g_list_previous (GROUP (cb)->current); + widget_select (WIDGET (l->data)); + } + + return MSG_HANDLED; +} + +/* --------------------------------------------------------------------------------------------- */ + +static cb_ret_t +chattrboxes_page_up (WChattrBoxes * cb) +{ + WGroup *g = GROUP (cb); + GList *l; + + if (cb->pos == 0 && cb->top == 0) + { + /* We are on the first checkbox. + Keep this position. + Do nothing. */ + l = g_list_first (g->widgets); + } + else + { + int i = WIDGET (cb)->rect.lines; + + checkboxes_save_state (cb); + + if (cb->top < i) + i = cb->top; + if (i == 0) + { + cb->pos = 0; + cb->top -= i; + l = g_list_first (g->widgets); + } + else + { + cb->pos -= i; + cb->top -= i; + l = g_list_nth (g->widgets, cb->pos - cb->top); + } + + chattrboxes_rename (cb); + } + + widget_select (WIDGET (l->data)); + + return MSG_HANDLED; +} + +/* --------------------------------------------------------------------------------------------- */ + +static cb_ret_t +chattrboxes_home (WChattrBoxes * cb) +{ + GList *l; + + checkboxes_save_state (cb); + cb->pos = 0; + cb->top = 0; + l = g_list_first (GROUP (cb)->widgets); + chattrboxes_rename (cb); + widget_select (WIDGET (l->data)); + + return MSG_HANDLED; +} + +/* --------------------------------------------------------------------------------------------- */ + +static cb_ret_t +chattrboxes_execute_cmd (WChattrBoxes * cb, long command) +{ + switch (command) + { + case CK_Down: + return chattrboxes_down (cb); + + case CK_PageDown: + return chattrboxes_page_down (cb); + + case CK_Bottom: + return chattrboxes_end (cb); + + case CK_Up: + return chattrboxes_up (cb); + + case CK_PageUp: + return chattrboxes_page_up (cb); + + case CK_Top: + return chattrboxes_home (cb); + + case CK_Mark: + case CK_MarkAndDown: + { + chattr_toggle_select (cb, cb->pos); /* FIXME */ + if (command == CK_MarkAndDown) + chattrboxes_down (cb); + + return MSG_HANDLED; + } + + default: + return MSG_NOT_HANDLED; + } +} + +/* --------------------------------------------------------------------------------------------- */ + +static cb_ret_t +chattrboxes_key (WChattrBoxes * cb, int key) +{ + long command; + + command = widget_lookup_key (WIDGET (cb), key); + if (command == CK_IgnoreKey) + return MSG_NOT_HANDLED; + return chattrboxes_execute_cmd (cb, command); +} + +/* --------------------------------------------------------------------------------------------- */ + +static cb_ret_t +chattrboxes_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data) +{ + WChattrBoxes *cb = CHATTRBOXES (w); + WGroup *g = GROUP (w); + + switch (msg) + { + case MSG_DRAW: + chattrboxes_draw (cb); + return MSG_HANDLED; + + case MSG_NOTIFY: + { + /* handle checkboxes */ + int i; + + i = g_list_index (g->widgets, sender); + if (i >= 0) + { + int m; + + i += cb->top; + m = check_attr_mod[i]; + flags ^= check_attr[m].flags; + fileattrtext_fill (file_attr, flags); + chattr_toggle_select (cb, i); + flags_changed = TRUE; + return MSG_HANDLED; + } + } + return MSG_NOT_HANDLED; + + case MSG_CHANGED_FOCUS: + /* sender is one of chattr checkboxes */ + if (widget_get_state (sender, WST_FOCUSED)) + { + int i; + + i = g_list_index (g->widgets, sender); + cb->pos = cb->top + i; + } + return MSG_HANDLED; + + case MSG_KEY: + { + cb_ret_t ret; + + ret = chattrboxes_key (cb, parm); + if (ret != MSG_HANDLED) + ret = group_default_callback (w, NULL, MSG_KEY, parm, NULL); + + return ret; + } + + case MSG_ACTION: + return chattrboxes_execute_cmd (cb, parm); + + case MSG_DESTROY: + /* save all states */ + checkboxes_save_state (cb); + MC_FALLTHROUGH; + + default: + return group_default_callback (w, sender, msg, parm, data); + } +} + +/* --------------------------------------------------------------------------------------------- */ + +static int +chattrboxes_handle_mouse_event (Widget * w, Gpm_Event * event) +{ + int mou; + + mou = mouse_handle_event (w, event); + if (mou == MOU_UNHANDLED) + mou = group_handle_mouse_event (w, event); + + return mou; +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +chattrboxes_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event) +{ + WChattrBoxes *cb = CHATTRBOXES (w); + + (void) event; + + switch (msg) + { + case MSG_MOUSE_SCROLL_UP: + chattrboxes_up (cb); + break; + + case MSG_MOUSE_SCROLL_DOWN: + chattrboxes_down (cb); + break; + + default: + /* return MOU_UNHANDLED */ + event->result.abort = TRUE; + break; + } +} + +/* --------------------------------------------------------------------------------------------- */ + +static WChattrBoxes * +chattrboxes_new (const WRect * r) +{ + WChattrBoxes *cb; + Widget *w; + WGroup *cbg; + int i; + + cb = g_new0 (WChattrBoxes, 1); + w = WIDGET (cb); + cbg = GROUP (cb); + group_init (cbg, r, chattrboxes_callback, chattrboxes_mouse_callback); + w->options |= WOP_SELECTABLE | WOP_WANT_CURSOR; + w->mouse_handler = chattrboxes_handle_mouse_event; + w->keymap = chattr_map; + + /* create checkboxes */ + for (i = 0; i < r->lines; i++) + { + int m; + WCheck *check; + + m = check_attr_mod[i]; + + check = check_new (i, 0, check_attr[m].state, NULL); + group_add_widget (cbg, check); + } + + chattrboxes_rename (cb); + + /* select first checkbox */ + cbg->current = cbg->widgets; + + return cb; +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +chattr_init (void) +{ + static gboolean i18n = FALSE; + size_t i; + + for (i = 0; i < check_attr_num; i++) + check_attr[i].selected = FALSE; + + if (i18n) + return; + + i18n = TRUE; + + for (i = 0; i < check_attr_num; i++) + if (chattr_is_modifiable (i)) + { + int width; + +#ifdef ENABLE_NLS + check_attr[i].text = _(check_attr[i].text); +#endif + + check_attr_mod[check_attr_mod_num++] = i; + + width = 4 + str_term_width1 (check_attr[i].text); /* "(Q) text " */ + check_attr_width = MAX (check_attr_width, width); + } + + check_attr_width += 1 + 3 + 1; /* mark, [x] and space */ + + for (i = 0; i < BUTTONS; i++) + { +#ifdef ENABLE_NLS + chattr_but[i].text = _(chattr_but[i].text); +#endif + + chattr_but[i].width = str_term_width1 (chattr_but[i].text) + 3; /* [], spaces and w/o & */ + if (chattr_but[i].flags == DEFPUSH_BUTTON) + chattr_but[i].width += 2; /* <> */ + } +} + +/* --------------------------------------------------------------------------------------------- */ + +static WDialog * +chattr_dlg_create (WPanel * panel, const char *fname, unsigned long attr) +{ + Widget *mw = WIDGET (WIDGET (panel)->owner); + gboolean single_set; + WDialog *ch_dlg; + int lines, cols; + int checkboxes_lines = check_attr_mod_num; + size_t i; + int y; + Widget *dw; + WGroup *dg; + WChattrBoxes *cb; + const int cb_scrollbar_width = 1; + WRect r; + + /* prepate to set up checkbox states */ + for (i = 0; i < check_attr_num; i++) + check_attr[i].state = chattr_is_modifiable (i) && (attr & check_attr[i].flags) != 0; + + cols = check_attr_width + cb_scrollbar_width; + + single_set = (panel->marked < 2); + + lines = 5 + checkboxes_lines + 4; + if (!single_set) + lines += 3; + + if (lines >= mw->rect.lines - 2) + { + int dl; + + dl = lines - (mw->rect.lines - 2); + lines -= dl; + checkboxes_lines -= dl; + } + + ch_dlg = + dlg_create (TRUE, 0, 0, lines, cols + wx * 2, WPOS_CENTER, FALSE, dialog_colors, + dlg_default_callback, NULL, "[Chattr]", _("Chattr command")); + dg = GROUP (ch_dlg); + dw = WIDGET (ch_dlg); + + y = 2; + file_attr = fileattrtext_new (y, wx, fname, attr); + group_add_widget_autopos (dg, file_attr, WPOS_KEEP_TOP | WPOS_CENTER_HORZ, NULL); + y += WIDGET (file_attr)->rect.lines; + group_add_widget (dg, hline_new (y++, -1, -1)); + + if (cols < WIDGET (file_attr)->rect.cols) + { + r = dw->rect; + cols = WIDGET (file_attr)->rect.cols; + cols = MIN (cols, mw->rect.cols - wx * 2); + r.cols = cols + wx * 2; + r.lines = lines; + widget_set_size_rect (dw, &r); + } + + checkboxes_lines = MIN (check_attr_mod_num, checkboxes_lines); + rect_init (&r, y++, wx, checkboxes_lines > 0 ? checkboxes_lines : 1, cols); + cb = chattrboxes_new (&r); + group_add_widget_autopos (dg, cb, WPOS_KEEP_TOP | WPOS_KEEP_HORZ, NULL); + + y += checkboxes_lines - 1; + cols = 0; + + for (i = single_set ? (BUTTONS - 2) : 0; i < BUTTONS; i++) + { + if (i == 0 || i == BUTTONS - 2) + group_add_widget (dg, hline_new (y++, -1, -1)); + + chattr_but[i].button = WIDGET (button_new (y, dw->rect.cols / 2 + 1 - chattr_but[i].width, + chattr_but[i].ret_cmd, chattr_but[i].flags, + chattr_but[i].text, NULL)); + group_add_widget (dg, chattr_but[i].button); + + i++; + chattr_but[i].button = + WIDGET (button_new (y++, dw->rect.cols / 2 + 2, chattr_but[i].ret_cmd, + chattr_but[i].flags, chattr_but[i].text, NULL)); + group_add_widget (dg, chattr_but[i].button); + + /* two buttons in a row */ + cols = + MAX (cols, chattr_but[i - 1].button->rect.cols + 1 + chattr_but[i].button->rect.cols); + } + + /* adjust dialog size and button positions */ + cols += 6; + if (cols > dw->rect.cols) + { + r = dw->rect; + r.lines = lines; + r.cols = cols; + widget_set_size_rect (dw, &r); + + /* dialog center */ + cols = dw->rect.x + dw->rect.cols / 2 + 1; + + for (i = single_set ? (BUTTONS - 2) : 0; i < BUTTONS; i++) + { + Widget *b; + + b = chattr_but[i++].button; + r = b->rect; + r.x = cols - r.cols; + widget_set_size_rect (b, &r); + + b = chattr_but[i].button; + r = b->rect; + r.x = cols + 1; + widget_set_size_rect (b, &r); + } + } + + widget_select (WIDGET (cb)); + + return ch_dlg; +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +chattr_done (gboolean need_update) +{ + if (need_update) + update_panels (UP_OPTIMIZE, UP_KEEPSEL); + repaint_screen (); +} + +/* --------------------------------------------------------------------------------------------- */ + +static const GString * +next_file (const WPanel * panel) +{ + while (!panel->dir.list[current_file].f.marked) + current_file++; + + return panel->dir.list[current_file].fname; +} + +/* --------------------------------------------------------------------------------------------- */ + +static gboolean +try_chattr (const char *p, unsigned long m) +{ + while (fsetflags (p, m) == -1 && !ignore_all) + { + int my_errno = errno; + int result; + char *msg; + + msg = + g_strdup_printf (_("Cannot chattr \"%s\"\n%s"), x_basename (p), + unix_error_string (my_errno)); + result = + query_dialog (MSG_ERROR, msg, D_ERROR, 4, _("&Ignore"), _("Ignore &all"), _("&Retry"), + _("&Cancel")); + g_free (msg); + + switch (result) + { + case 0: + /* try next file */ + return TRUE; + + case 1: + ignore_all = TRUE; + /* try next file */ + return TRUE; + + case 2: + /* retry this file */ + break; + + case 3: + default: + /* stop remain files processing */ + return FALSE; + } + } + + return TRUE; +} + +/* --------------------------------------------------------------------------------------------- */ + +static gboolean +do_chattr (WPanel * panel, const vfs_path_t * p, unsigned long m) +{ + gboolean ret; + + m &= and_mask; + m |= or_mask; + + ret = try_chattr (vfs_path_as_str (p), m); + + do_file_mark (panel, current_file, 0); + + return ret; +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +chattr_apply_mask (WPanel * panel, vfs_path_t * vpath, unsigned long m) +{ + gboolean ok; + + if (!do_chattr (panel, vpath, m)) + return; + + do + { + const GString *fname; + + fname = next_file (panel); + ok = (fgetflags (fname->str, &m) == 0); + + if (!ok) + { + /* if current file was deleted outside mc -- try next file */ + /* decrease panel->marked */ + do_file_mark (panel, current_file, 0); + + /* try next file */ + ok = TRUE; + } + else + { + vpath = vfs_path_from_str (fname->str); + flags = m; + ok = do_chattr (panel, vpath, m); + vfs_path_free (vpath, TRUE); + } + } + while (ok && panel->marked != 0); +} + +/* --------------------------------------------------------------------------------------------- */ +/*** public functions ****************************************************************************/ +/* --------------------------------------------------------------------------------------------- */ + +void +chattr_cmd (WPanel * panel) +{ + gboolean need_update = FALSE; + gboolean end_chattr = FALSE; + + chattr_init (); + + current_file = 0; + ignore_all = FALSE; + + do + { /* do while any files remaining */ + vfs_path_t *vpath; + WDialog *ch_dlg; + const GString *fname; + const char *fname2; + size_t i; + int result; + + if (!vfs_current_is_local ()) + { + message (D_ERROR, MSG_ERROR, "%s", + _("Cannot change attributes on non-local filesystems")); + break; + } + + do_refresh (); + + need_update = FALSE; + end_chattr = FALSE; + + if (panel->marked != 0) + fname = next_file (panel); /* next marked file */ + else + fname = selection (panel)->fname; /* single file */ + + vpath = vfs_path_from_str (fname->str); + fname2 = vfs_path_as_str (vpath); + + if (fgetflags (fname2, &flags) != 0) + { + message (D_ERROR, MSG_ERROR, _("Cannot get flags of \"%s\"\n%s"), fname->str, + unix_error_string (errno)); + vfs_path_free (vpath, TRUE); + break; + } + + flags_changed = FALSE; + + ch_dlg = chattr_dlg_create (panel, fname->str, flags); + result = dlg_run (ch_dlg); + widget_destroy (WIDGET (ch_dlg)); + + switch (result) + { + case B_CANCEL: + end_chattr = TRUE; + break; + + case B_ENTER: + if (flags_changed) + { + if (panel->marked <= 1) + { + /* single or last file */ + if (fsetflags (fname2, flags) == -1 && !ignore_all) + message (D_ERROR, MSG_ERROR, _("Cannot chattr \"%s\"\n%s"), fname->str, + unix_error_string (errno)); + end_chattr = TRUE; + } + else if (!try_chattr (fname2, flags)) + { + /* stop multiple files processing */ + result = B_CANCEL; + end_chattr = TRUE; + } + } + + need_update = TRUE; + break; + + case B_SETALL: + case B_MARKED: + or_mask = 0; + and_mask = ~0; + + for (i = 0; i < check_attr_num; i++) + if (chattr_is_modifiable (i) && (check_attr[i].selected || result == B_SETALL)) + { + if (check_attr[i].state) + or_mask |= check_attr[i].flags; + else + and_mask &= ~check_attr[i].flags; + } + + chattr_apply_mask (panel, vpath, flags); + need_update = TRUE; + end_chattr = TRUE; + break; + + case B_SETMRK: + or_mask = 0; + and_mask = ~0; + + for (i = 0; i < check_attr_num; i++) + if (chattr_is_modifiable (i) && check_attr[i].selected) + or_mask |= check_attr[i].flags; + + chattr_apply_mask (panel, vpath, flags); + need_update = TRUE; + end_chattr = TRUE; + break; + + case B_CLRMRK: + or_mask = 0; + and_mask = ~0; + + for (i = 0; i < check_attr_num; i++) + if (chattr_is_modifiable (i) && check_attr[i].selected) + and_mask &= ~check_attr[i].flags; + + chattr_apply_mask (panel, vpath, flags); + need_update = TRUE; + end_chattr = TRUE; + break; + + default: + break; + } + + if (panel->marked != 0 && result != B_CANCEL) + { + do_file_mark (panel, current_file, 0); + need_update = TRUE; + } + + vfs_path_free (vpath, TRUE); + + } + while (panel->marked != 0 && !end_chattr); + + chattr_done (need_update); +} + +/* --------------------------------------------------------------------------------------------- */ + +const char * +chattr_get_as_str (unsigned long attr) +{ + static char str[32 + 1]; /* 32 bits in attributes (unsigned long) */ + + chattr_fill_str (attr, str); + + return str; +} + +/* --------------------------------------------------------------------------------------------- */ |