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chattr.c
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/*
Chattr command -- for the Midnight Commander
Copyright (C) 2020-2025
Free Software Foundation, Inc.
Written by:
Andrew Borodin <aborodin@vmail.ru>, 2020-2023
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 <https://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 <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 "lib/util.h" // x_basename()
#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
};
/*** forward declarations (file scope functions) *************************************************/
/*** 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[] = {
{ 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
};
/* number of attributes */
static const size_t check_attr_num = G_N_ELEMENTS (check_attr);
/* modifiable 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] = {
/* 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 },
};
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 = COLOR_NORMAL;
size_t i;
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);
// initially 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;
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 = check_attr_mod[i];
char btext[BUF_SMALL]; // FIXME: are 128 bytes enough?
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 = 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 = check_attr_mod[i];
WCheck *check;
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;
// prepare 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));