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Diffstat (limited to '')
| -rw-r--r-- | src/filemanager/info.c | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/src/filemanager/info.c b/src/filemanager/info.c new file mode 100644 index 0000000..cb117ac --- /dev/null +++ b/src/filemanager/info.c @@ -0,0 +1,376 @@ +/* + Panel managing. + + Copyright (C) 1994-2022 + Free Software Foundation, Inc. + + Written by: + Slava Zanko <slavazanko@gmail.com>, 2013 + Andrew Borodin <aborodin@vmail.ru>, 2013-2022 + + 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 info.c + * \brief Source: panel managing + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <sys/stat.h> +#include <inttypes.h> /* PRIuMAX */ +#ifdef ENABLE_EXT2FS_ATTR +#include <e2p/e2p.h> /* fgetflags() */ +#endif + +#include "lib/global.h" +#include "lib/unixcompat.h" +#include "lib/tty/tty.h" +#include "lib/tty/key.h" /* is_idle() */ +#include "lib/skin.h" +#include "lib/strutil.h" +#include "lib/timefmt.h" /* file_date() */ +#include "lib/util.h" +#include "lib/widget.h" + +#include "src/setup.h" /* panels_options */ + +#include "filemanager.h" /* the_menubar */ +#include "layout.h" +#include "mountlist.h" +#ifdef ENABLE_EXT2FS_ATTR +#include "cmd.h" /* chattr_get_as_str() */ +#endif + +#include "info.h" + +/*** global variables ****************************************************************************/ + +/*** file scope macro definitions ****************************************************************/ + +/*** file scope type declarations ****************************************************************/ + +struct WInfo +{ + Widget widget; + gboolean ready; +}; + +/*** file scope variables ************************************************************************/ + +static struct my_statfs myfs_stats; + +/*** file scope functions ************************************************************************/ +/* --------------------------------------------------------------------------------------------- */ + +static void +info_box (WInfo * info) +{ + Widget *w = WIDGET (info); + + const char *title = _("Information"); + const int len = str_term_width1 (title); + + tty_set_normal_attrs (); + tty_setcolor (NORMAL_COLOR); + widget_erase (w); + tty_draw_box (w->rect.y, w->rect.x, w->rect.lines, w->rect.cols, FALSE); + + widget_gotoyx (w, 0, (w->rect.cols - len - 2) / 2); + tty_printf (" %s ", title); + + widget_gotoyx (w, 2, 0); + tty_print_alt_char (ACS_LTEE, FALSE); + widget_gotoyx (w, 2, w->rect.cols - 1); + tty_print_alt_char (ACS_RTEE, FALSE); + tty_draw_hline (w->rect.y + 2, w->rect.x + 1, ACS_HLINE, w->rect.cols - 2); +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +info_show_info (WInfo * info) +{ + const WRect *w = &CONST_WIDGET (info)->rect; + static int i18n_adjust = 0; + static const char *file_label; + GString *buff; + struct stat st; + char rp_cwd[PATH_MAX]; + const char *p_rp_cwd; + + if (!is_idle ()) + return; + + info_box (info); + + tty_setcolor (MARKED_COLOR); + widget_gotoyx (w, 1, 3); + tty_printf (_("Midnight Commander %s"), mc_global.mc_version); + + if (!info->ready) + return; + + if (get_current_type () != view_listing) + return; + + /* don't rely on vpath CWD when cd_symlinks enabled */ + p_rp_cwd = mc_realpath (vfs_path_as_str (current_panel->cwd_vpath), rp_cwd); + if (p_rp_cwd == NULL) + p_rp_cwd = vfs_path_as_str (current_panel->cwd_vpath); + + my_statfs (&myfs_stats, p_rp_cwd); + + st = current_panel->dir.list[current_panel->selected].st; + + /* Print only lines which fit */ + + if (i18n_adjust == 0) + { + /* This printf pattern string is used as a reference for size */ + file_label = _("File: %s"); + i18n_adjust = str_term_width1 (file_label) + 2; + } + + tty_setcolor (NORMAL_COLOR); + + buff = g_string_new (""); + + switch (w->lines - 2) + { + /* Note: all cases are fall-throughs */ + + default: + MC_FALLTHROUGH; + case 17: + widget_gotoyx (w, 17, 3); + if ((myfs_stats.nfree == 0 && myfs_stats.nodes == 0) || + (myfs_stats.nfree == (uintmax_t) (-1) && myfs_stats.nodes == (uintmax_t) (-1))) + tty_print_string (_("No node information")); + else if (myfs_stats.nfree == (uintmax_t) (-1)) + tty_printf ("%s - / %" PRIuMAX, _("Free nodes:"), myfs_stats.nodes); + else if (myfs_stats.nodes == (uintmax_t) (-1)) + tty_printf ("%s %" PRIuMAX " / -", _("Free nodes:"), myfs_stats.nfree); + else + tty_printf ("%s %" PRIuMAX " / %" PRIuMAX " (%d%%)", + _("Free nodes:"), + myfs_stats.nfree, myfs_stats.nodes, + myfs_stats.nodes == 0 ? 0 : + (int) (100 * (long double) myfs_stats.nfree / myfs_stats.nodes)); + MC_FALLTHROUGH; + case 16: + widget_gotoyx (w, 16, 3); + if (myfs_stats.avail == 0 && myfs_stats.total == 0) + tty_print_string (_("No space information")); + else + { + char buffer1[6], buffer2[6]; + + size_trunc_len (buffer1, 5, myfs_stats.avail, 1, panels_options.kilobyte_si); + size_trunc_len (buffer2, 5, myfs_stats.total, 1, panels_options.kilobyte_si); + tty_printf (_("Free space: %s / %s (%d%%)"), buffer1, buffer2, + myfs_stats.total == 0 ? 0 : + (int) (100 * (long double) myfs_stats.avail / myfs_stats.total)); + } + MC_FALLTHROUGH; + case 15: + widget_gotoyx (w, 15, 3); + tty_printf (_("Type: %s"), + myfs_stats.typename ? myfs_stats.typename : _("non-local vfs")); + if (myfs_stats.type != 0xffff && myfs_stats.type != -1) + tty_printf (" (%Xh)", (unsigned int) myfs_stats.type); + MC_FALLTHROUGH; + case 14: + widget_gotoyx (w, 14, 3); + str_printf (buff, _("Device: %s"), + str_trunc (myfs_stats.device, w->cols - i18n_adjust)); + tty_print_string (buff->str); + g_string_set_size (buff, 0); + MC_FALLTHROUGH; + case 13: + widget_gotoyx (w, 13, 3); + str_printf (buff, _("Filesystem: %s"), + str_trunc (myfs_stats.mpoint, w->cols - i18n_adjust)); + tty_print_string (buff->str); + g_string_set_size (buff, 0); + MC_FALLTHROUGH; + case 12: + widget_gotoyx (w, 12, 3); + str_printf (buff, _("Accessed: %s"), file_date (st.st_atime)); + tty_print_string (buff->str); + g_string_set_size (buff, 0); + MC_FALLTHROUGH; + case 11: + widget_gotoyx (w, 11, 3); + str_printf (buff, _("Modified: %s"), file_date (st.st_mtime)); + tty_print_string (buff->str); + g_string_set_size (buff, 0); + MC_FALLTHROUGH; + case 10: + widget_gotoyx (w, 10, 3); + /* The field st_ctime is changed by writing or by setting inode + information (i.e., owner, group, link count, mode, etc.). */ + /* TRANSLATORS: Time of last status change as in stat(2) man. */ + str_printf (buff, _("Changed: %s"), file_date (st.st_ctime)); + tty_print_string (buff->str); + g_string_set_size (buff, 0); + MC_FALLTHROUGH; + case 9: + widget_gotoyx (w, 9, 3); +#ifdef HAVE_STRUCT_STAT_ST_RDEV + if (S_ISCHR (st.st_mode) || S_ISBLK (st.st_mode)) + tty_printf (_("Dev. type: major %lu, minor %lu"), + (unsigned long) major (st.st_rdev), (unsigned long) minor (st.st_rdev)); + else +#endif + { + char buffer[10]; + size_trunc_len (buffer, 9, st.st_size, 0, panels_options.kilobyte_si); + tty_printf (_("Size: %s"), buffer); +#ifdef HAVE_STRUCT_STAT_ST_BLOCKS + tty_printf (ngettext (" (%lu block)", " (%lu blocks)", + (unsigned long) st.st_blocks), (unsigned long) st.st_blocks); +#endif + } + MC_FALLTHROUGH; + case 8: + widget_gotoyx (w, 8, 3); + tty_printf (_("Owner: %s/%s"), get_owner (st.st_uid), get_group (st.st_gid)); + MC_FALLTHROUGH; + case 7: + widget_gotoyx (w, 7, 3); + tty_printf (_("Links: %d"), (int) st.st_nlink); + MC_FALLTHROUGH; + case 6: + widget_gotoyx (w, 6, 3); +#ifdef ENABLE_EXT2FS_ATTR + if (!vfs_current_is_local ()) + tty_print_string (_("Attributes: not supported")); + else + { + vfs_path_t *vpath; + unsigned long attr; + + vpath = vfs_path_from_str (current_panel->dir.list[current_panel->selected].fname->str); + + if (fgetflags (vfs_path_as_str (vpath), &attr) == 0) + tty_printf (_("Attributes: %s"), chattr_get_as_str (attr)); + else + tty_print_string (_("Attributes: unavailable")); + + vfs_path_free (vpath, TRUE); + } +#else + tty_print_string (_("Attributes: not supported")); +#endif + MC_FALLTHROUGH; + case 5: + widget_gotoyx (w, 5, 3); + tty_printf (_("Mode: %s (%04o)"), + string_perm (st.st_mode), (unsigned) st.st_mode & 07777); + MC_FALLTHROUGH; + case 4: + widget_gotoyx (w, 4, 3); + tty_printf (_("Location: %Xh:%Xh"), (unsigned int) st.st_dev, (unsigned int) st.st_ino); + MC_FALLTHROUGH; + case 3: + { + const char *fname; + + widget_gotoyx (w, 3, 2); + fname = current_panel->dir.list[current_panel->selected].fname->str; + str_printf (buff, file_label, str_trunc (fname, w->cols - i18n_adjust)); + tty_print_string (buff->str); + } + MC_FALLTHROUGH; + case 2: + MC_FALLTHROUGH; + case 1: + MC_FALLTHROUGH; + case 0: + ; + } /* switch */ + g_string_free (buff, TRUE); +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +info_hook (void *data) +{ + WInfo *info = (WInfo *) data; + Widget *other_widget; + + other_widget = get_panel_widget (get_current_index ()); + if (!other_widget) + return; + if (widget_overlapped (WIDGET (info), other_widget)) + return; + + info->ready = TRUE; + info_show_info (info); +} + +/* --------------------------------------------------------------------------------------------- */ + +static cb_ret_t +info_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data) +{ + WInfo *info = (WInfo *) w; + + switch (msg) + { + case MSG_INIT: + init_my_statfs (); + add_hook (&select_file_hook, info_hook, info); + info->ready = FALSE; + return MSG_HANDLED; + + case MSG_DRAW: + info_hook (info); + return MSG_HANDLED; + + case MSG_DESTROY: + delete_hook (&select_file_hook, info_hook); + free_my_statfs (); + return MSG_HANDLED; + + default: + return widget_default_callback (w, sender, msg, parm, data); + } +} + +/* --------------------------------------------------------------------------------------------- */ +/*** public functions ****************************************************************************/ +/* --------------------------------------------------------------------------------------------- */ + +WInfo * +info_new (int y, int x, int lines, int cols) +{ + WRect r = { y, x, lines, cols }; + WInfo *info; + Widget *w; + + info = g_new (struct WInfo, 1); + w = WIDGET (info); + widget_init (w, &r, info_callback, NULL); + + return info; +} + +/* --------------------------------------------------------------------------------------------- */ |