/* Panel layout module for the Midnight Commander Copyright (C) 1995-2024 Free Software Foundation, Inc. Written by: Janne Kukonlehto, 1995 Miguel de Icaza, 1995 Andrew Borodin , 2011-2022 Slava Zanko , 2013 Avi Kelman , 2013 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 layout.c * \brief Source: panel layout module */ #include #include /* for username in xterm title */ #include #include #include #include #include #include "lib/global.h" #include "lib/tty/tty.h" #include "lib/skin.h" #include "lib/tty/key.h" #include "lib/tty/mouse.h" #include "lib/mcconfig.h" #include "lib/vfs/vfs.h" /* vfs_get_cwd () */ #include "lib/strutil.h" #include "lib/widget.h" #include "lib/event.h" #include "lib/util.h" /* mc_time_elapsed() */ #include "src/consaver/cons.saver.h" #include "src/viewer/mcviewer.h" /* The view widget */ #include "src/setup.h" #ifdef ENABLE_SUBSHELL #include "src/subshell/subshell.h" #endif #include "command.h" #include "filemanager.h" #include "tree.h" /* Needed for the extern declarations of integer parameters */ #include "dir.h" #include "layout.h" #include "info.h" /* The Info widget */ /*** global variables ****************************************************************************/ panels_layout_t panels_layout = { /* Set if the panels are split horizontally */ .horizontal_split = FALSE, /* vertical split */ .vertical_equal = TRUE, .left_panel_size = 0, /* horizontal split */ .horizontal_equal = TRUE, .top_panel_size = 0 }; /* Controls the display of the rotating dash on the verbose mode */ gboolean nice_rotating_dash = TRUE; /* The number of output lines shown (if available) */ int output_lines = 0; /* Set if the command prompt is to be displayed */ gboolean command_prompt = TRUE; /* Set if the main menu is visible */ gboolean menubar_visible = TRUE; /* Set to show current working dir in xterm window title */ gboolean xterm_title = TRUE; /* Set to show free space on device assigned to current directory */ gboolean free_space = TRUE; /* The starting line for the output of the subprogram */ int output_start_y = 0; int ok_to_refresh = 1; /*** file scope macro definitions ****************************************************************/ /* The maximum number of views managed by the create_panel routine */ /* Must be at least two (for current and other). Please note that until */ /* Janne gets around this, we will only manage two of them :-) */ #define MAX_VIEWS 2 /* Width 12 for a wee Quick (Hex) View */ #define MINWIDTH 12 #define MINHEIGHT 5 #define B_2LEFT B_USER #define B_2RIGHT (B_USER + 1) #define B_PLUS (B_USER + 2) #define B_MINUS (B_USER + 3) #define LAYOUT_OPTIONS_COUNT G_N_ELEMENTS (check_options) /*** file scope type declarations ****************************************************************/ typedef struct { gboolean menubar_visible; gboolean command_prompt; gboolean keybar_visible; gboolean message_visible; gboolean xterm_title; gboolean free_space; int output_lines; } layout_t; /*** forward declarations (file scope functions) *************************************************/ /*** file scope variables ************************************************************************/ static struct { panel_view_mode_t type; Widget *widget; char *last_saved_dir; /* last view_list working directory */ } panels[MAX_VIEWS] = { /* *INDENT-OFF* */ /* init MAX_VIEWS items */ { view_listing, NULL, NULL}, { view_listing, NULL, NULL} /* *INDENT-ON* */ }; static layout_t old_layout; static panels_layout_t old_panels_layout; static gboolean equal_split; static int _output_lines; static int height; static WRadio *radio_widget; static struct { const char *text; gboolean *variable; WCheck *widget; } check_options[] = { /* *INDENT-OFF* */ { N_("&Equal split"), &equal_split, NULL }, { N_("&Menubar visible"), &menubar_visible, NULL }, { N_("Command &prompt"), &command_prompt, NULL }, { N_("&Keybar visible"), &mc_global.keybar_visible, NULL }, { N_("H&intbar visible"), &mc_global.message_visible, NULL }, { N_("&XTerm window title"), &xterm_title, NULL }, { N_("&Show free space"), &free_space, NULL } /* *INDENT-ON* */ }; static const char *output_lines_label = NULL; static int output_lines_label_len; static WButton *bleft_widget, *bright_widget; /* --------------------------------------------------------------------------------------------- */ /*** file scope functions ************************************************************************/ /* --------------------------------------------------------------------------------------------- */ /* don't use max() macro to avoid double call of str_term_width1() in widget width calculation */ #undef max static int max (int a, int b) { return a > b ? a : b; } /* --------------------------------------------------------------------------------------------- */ static void check_split (panels_layout_t * layout) { if (layout->horizontal_split) { if (layout->horizontal_equal) layout->top_panel_size = height / 2; else if (layout->top_panel_size < MINHEIGHT) layout->top_panel_size = MINHEIGHT; else if (layout->top_panel_size > height - MINHEIGHT) layout->top_panel_size = height - MINHEIGHT; } else { int md_cols = CONST_WIDGET (filemanager)->rect.cols; if (layout->vertical_equal) layout->left_panel_size = md_cols / 2; else if (layout->left_panel_size < MINWIDTH) layout->left_panel_size = MINWIDTH; else if (layout->left_panel_size > md_cols - MINWIDTH) layout->left_panel_size = md_cols - MINWIDTH; } } /* --------------------------------------------------------------------------------------------- */ static void update_split (const WDialog * h) { /* Check split has to be done before testing if it changed, since it can change due to calling check_split() as well */ check_split (&panels_layout); if (panels_layout.horizontal_split) check_options[0].widget->state = panels_layout.horizontal_equal; else check_options[0].widget->state = panels_layout.vertical_equal; widget_draw (WIDGET (check_options[0].widget)); tty_setcolor (check_options[0].widget->state ? DISABLED_COLOR : COLOR_NORMAL); widget_gotoyx (h, 6, 5); if (panels_layout.horizontal_split) tty_printf ("%03d", panels_layout.top_panel_size); else tty_printf ("%03d", panels_layout.left_panel_size); widget_gotoyx (h, 6, 17); if (panels_layout.horizontal_split) tty_printf ("%03d", height - panels_layout.top_panel_size); else tty_printf ("%03d", CONST_WIDGET (filemanager)->rect.cols - panels_layout.left_panel_size); widget_gotoyx (h, 6, 12); tty_print_char ('='); } /* --------------------------------------------------------------------------------------------- */ static int b_left_right_cback (WButton * button, int action) { (void) action; if (button == bright_widget) { if (panels_layout.horizontal_split) panels_layout.top_panel_size++; else panels_layout.left_panel_size++; } else { if (panels_layout.horizontal_split) panels_layout.top_panel_size--; else panels_layout.left_panel_size--; } update_split (DIALOG (WIDGET (button)->owner)); layout_change (); do_refresh (); return 0; } /* --------------------------------------------------------------------------------------------- */ static int bplus_cback (WButton * button, int action) { (void) button; (void) action; if (_output_lines < 99) _output_lines++; return 0; } /* --------------------------------------------------------------------------------------------- */ static int bminus_cback (WButton * button, int action) { (void) button; (void) action; if (_output_lines > 0) _output_lines--; return 0; } /* --------------------------------------------------------------------------------------------- */ static cb_ret_t layout_bg_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data) { switch (msg) { case MSG_DRAW: frame_callback (w, NULL, MSG_DRAW, 0, NULL); old_layout.output_lines = -1; update_split (DIALOG (w->owner)); if (old_layout.output_lines != _output_lines) { old_layout.output_lines = _output_lines; tty_setcolor (mc_global.tty.console_flag != '\0' ? COLOR_NORMAL : DISABLED_COLOR); widget_gotoyx (w, 9, 5); tty_print_string (output_lines_label); widget_gotoyx (w, 9, 5 + 3 + output_lines_label_len); tty_printf ("%02d", _output_lines); } return MSG_HANDLED; default: return frame_callback (w, sender, msg, parm, data); } } /* --------------------------------------------------------------------------------------------- */ static cb_ret_t layout_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data) { WDialog *h = DIALOG (w); switch (msg) { case MSG_POST_KEY: { const Widget *mw = CONST_WIDGET (filemanager); gboolean _menubar_visible, _command_prompt, _keybar_visible, _message_visible; _menubar_visible = check_options[1].widget->state; _command_prompt = check_options[2].widget->state; _keybar_visible = check_options[3].widget->state; _message_visible = check_options[4].widget->state; if (mc_global.tty.console_flag == '\0') height = mw->rect.lines - (_keybar_visible ? 1 : 0) - (_command_prompt ? 1 : 0) - (_menubar_visible ? 1 : 0) - _output_lines - (_message_visible ? 1 : 0); else { int minimum; if (_output_lines < 0) _output_lines = 0; height = mw->rect.lines - (_keybar_visible ? 1 : 0) - (_command_prompt ? 1 : 0) - (_menubar_visible ? 1 : 0) - _output_lines - (_message_visible ? 1 : 0); minimum = MINHEIGHT * (1 + (panels_layout.horizontal_split ? 1 : 0)); if (height < minimum) { _output_lines -= minimum - height; height = minimum; } } if (old_layout.output_lines != _output_lines) { old_layout.output_lines = _output_lines; tty_setcolor (mc_global.tty.console_flag != '\0' ? COLOR_NORMAL : DISABLED_COLOR); widget_gotoyx (h, 9, 5 + 3 + output_lines_label_len); tty_printf ("%02d", _output_lines); } } return MSG_HANDLED; case MSG_NOTIFY: if (sender == WIDGET (radio_widget)) { if ((panels_layout.horizontal_split ? 1 : 0) == radio_widget->sel) update_split (h); else { int eq; panels_layout.horizontal_split = radio_widget->sel != 0; if (panels_layout.horizontal_split) { eq = panels_layout.horizontal_equal; if (eq) panels_layout.top_panel_size = height / 2; } else { eq = panels_layout.vertical_equal; if (eq) panels_layout.left_panel_size = CONST_WIDGET (filemanager)->rect.cols / 2; } widget_disable (WIDGET (bleft_widget), eq); widget_disable (WIDGET (bright_widget), eq); update_split (h); layout_change (); do_refresh (); } return MSG_HANDLED; } if (sender == WIDGET (check_options[0].widget)) { gboolean eq; if (panels_layout.horizontal_split) { panels_layout.horizontal_equal = check_options[0].widget->state; eq = panels_layout.horizontal_equal; } else { panels_layout.vertical_equal = check_options[0].widget->state; eq = panels_layout.vertical_equal; } widget_disable (WIDGET (bleft_widget), eq); widget_disable (WIDGET (bright_widget), eq); update_split (h); layout_change (); do_refresh (); return MSG_HANDLED; } { gboolean ok = TRUE; if (sender == WIDGET (check_options[1].widget)) menubar_visible = check_options[1].widget->state; else if (sender == WIDGET (check_options[2].widget)) command_prompt = check_options[2].widget->state; else if (sender == WIDGET (check_options[3].widget)) mc_global.keybar_visible = check_options[3].widget->state; else if (sender == WIDGET (check_options[4].widget)) mc_global.message_visible = check_options[4].widget->state; else if (sender == WIDGET (check_options[5].widget)) xterm_title = check_options[5].widget->state; else if (sender == WIDGET (check_options[6].widget)) free_space = check_options[6].widget->state; else ok = FALSE; if (ok) { update_split (h); layout_change (); do_refresh (); return MSG_HANDLED; } } return MSG_NOT_HANDLED; default: return dlg_default_callback (w, sender, msg, parm, data); } } /* --------------------------------------------------------------------------------------------- */ static WDialog * layout_dlg_create (void) { WDialog *layout_dlg; WGroup *g; int l1 = 0, width; int b1, b2, b; size_t i; const char *title1 = N_("Panel split"); const char *title2 = N_("Console output"); const char *title3 = N_("Other options"); const char *s_split_direction[2] = { N_("&Vertical"), N_("&Horizontal") }; const char *ok_button = N_("&OK"); const char *cancel_button = N_("&Cancel"); output_lines_label = _("Output lines:"); #ifdef ENABLE_NLS { static gboolean i18n = FALSE; title1 = _(title1); title2 = _(title2); title3 = _(title3); i = G_N_ELEMENTS (s_split_direction); while (i-- != 0) s_split_direction[i] = _(s_split_direction[i]); if (!i18n) { for (i = 0; i < (size_t) LAYOUT_OPTIONS_COUNT; i++) check_options[i].text = _(check_options[i].text); i18n = TRUE; } ok_button = _(ok_button); cancel_button = _(cancel_button); } #endif /* radiobuttons */ i = G_N_ELEMENTS (s_split_direction); while (i-- != 0) l1 = max (l1, str_term_width1 (s_split_direction[i]) + 7); /* checkboxes */ for (i = 0; i < (size_t) LAYOUT_OPTIONS_COUNT; i++) l1 = max (l1, str_term_width1 (check_options[i].text) + 7); /* groupboxes */ l1 = max (l1, str_term_width1 (title1) + 4); l1 = max (l1, str_term_width1 (title2) + 4); l1 = max (l1, str_term_width1 (title3) + 4); /* label + "+"/"-" buttons */ output_lines_label_len = str_term_width1 (output_lines_label); l1 = max (l1, output_lines_label_len + 12); /* buttons */ b1 = str_term_width1 (ok_button) + 5; /* default button */ b2 = str_term_width1 (cancel_button) + 3; b = b1 + b2 + 1; /* dialog width */ width = max (l1 * 2 + 7, b); layout_dlg = dlg_create (TRUE, 0, 0, 15, width, WPOS_CENTER, FALSE, dialog_colors, layout_callback, NULL, "[Layout]", _("Layout")); g = GROUP (layout_dlg); /* draw background */ layout_dlg->bg->callback = layout_bg_callback; #define XTRACT(i) (*check_options[i].variable != 0), check_options[i].text /* "Panel split" groupbox */ group_add_widget (g, groupbox_new (2, 3, 6, l1, title1)); radio_widget = radio_new (3, 5, 2, s_split_direction); radio_widget->sel = panels_layout.horizontal_split ? 1 : 0; group_add_widget (g, radio_widget); check_options[0].widget = check_new (5, 5, XTRACT (0)); group_add_widget (g, check_options[0].widget); equal_split = panels_layout.horizontal_split ? panels_layout.horizontal_equal : panels_layout.vertical_equal; bleft_widget = button_new (6, 8, B_2LEFT, NARROW_BUTTON, "&<", b_left_right_cback); widget_disable (WIDGET (bleft_widget), equal_split); group_add_widget (g, bleft_widget); bright_widget = button_new (6, 14, B_2RIGHT, NARROW_BUTTON, "&>", b_left_right_cback); widget_disable (WIDGET (bright_widget), equal_split); group_add_widget (g, bright_widget); /* "Console output" groupbox */ { widget_state_t disabled; Widget *w; disabled = mc_global.tty.console_flag != '\0' ? 0 : WST_DISABLED; w = WIDGET (groupbox_new (8, 3, 3, l1, title2)); w->state |= disabled; group_add_widget (g, w); w = WIDGET (button_new (9, output_lines_label_len + 5, B_PLUS, NARROW_BUTTON, "&+", bplus_cback)); w->state |= disabled; group_add_widget (g, w); w = WIDGET (button_new (9, output_lines_label_len + 5 + 5, B_MINUS, NARROW_BUTTON, "&-", bminus_cback)); w->state |= disabled; group_add_widget (g, w); } /* "Other options" groupbox */ group_add_widget (g, groupbox_new (2, 4 + l1, 9, l1, title3)); for (i = 1; i < (size_t) LAYOUT_OPTIONS_COUNT; i++) { check_options[i].widget = check_new (i + 2, 6 + l1, XTRACT (i)); group_add_widget (g, check_options[i].widget); } #undef XTRACT group_add_widget (g, hline_new (11, -1, -1)); /* buttons */ group_add_widget (g, button_new (12, (width - b) / 2, B_ENTER, DEFPUSH_BUTTON, ok_button, 0)); group_add_widget (g, button_new (12, (width - b) / 2 + b1 + 1, B_CANCEL, NORMAL_BUTTON, cancel_button, 0)); widget_select (WIDGET (radio_widget)); return layout_dlg; } /* --------------------------------------------------------------------------------------------- */ static void panel_do_cols (int idx) { if (get_panel_type (idx) == view_listing) set_panel_formats (PANEL (panels[idx].widget)); else panel_update_cols (panels[idx].widget, frame_half); } /* --------------------------------------------------------------------------------------------- */ /** Save current list_view widget directory into panel */ static Widget * restore_into_right_dir_panel (int idx, gboolean last_was_panel, int y, int x, int lines, int cols) { WPanel *new_widget; const char *p_name; p_name = get_nth_panel_name (idx); if (last_was_panel) { vfs_path_t *saved_dir_vpath; saved_dir_vpath = vfs_path_from_str (panels[idx].last_saved_dir); new_widget = panel_sized_with_dir_new (p_name, y, x, lines, cols, saved_dir_vpath); vfs_path_free (saved_dir_vpath, TRUE); } else new_widget = panel_sized_new (p_name, y, x, lines, cols); return WIDGET (new_widget); } /* --------------------------------------------------------------------------------------------- */ static void layout_save (void) { old_layout.menubar_visible = menubar_visible; old_layout.command_prompt = command_prompt; old_layout.keybar_visible = mc_global.keybar_visible; old_layout.message_visible = mc_global.message_visible; old_layout.xterm_title = xterm_title; old_layout.free_space = free_space; old_layout.output_lines = -1; _output_lines = output_lines; old_panels_layout = panels_layout; } /* --------------------------------------------------------------------------------------------- */ static void layout_restore (void) { menubar_visible = old_layout.menubar_visible; command_prompt = old_layout.command_prompt; mc_global.keybar_visible = old_layout.keybar_visible; mc_global.message_visible = old_layout.message_visible; xterm_title = old_layout.xterm_title; free_space = old_layout.free_space; output_lines = old_layout.output_lines; panels_layout = old_panels_layout; } /* --------------------------------------------------------------------------------------------- */ /*** public functions ****************************************************************************/ /* --------------------------------------------------------------------------------------------- */ void layout_change (void) { setup_panels (); /* update the main menu, because perhaps there was a change in the way how the panel are split (horizontal/vertical), and a change of menu visibility. */ update_menu (); load_hint (TRUE); } /* --------------------------------------------------------------------------------------------- */ void layout_box (void) { WDialog *layout_dlg; layout_save (); layout_dlg = layout_dlg_create (); if (dlg_run (layout_dlg) == B_ENTER) { size_t i; for (i = 0; i < (size_t) LAYOUT_OPTIONS_COUNT; i++) if (check_options[i].widget != NULL) *check_options[i].variable = check_options[i].widget->state; output_lines = _output_lines; } else layout_restore (); widget_destroy (WIDGET (layout_dlg)); layout_change (); do_refresh (); } /* --------------------------------------------------------------------------------------------- */ void panel_update_cols (Widget * widget, panel_display_t frame_size) { const Widget *mw = CONST_WIDGET (filemanager); int cols, x; /* don't touch panel if it is not in dialog yet */ /* if panel is not in dialog it is not in widgets list and cannot be compared with get_panel_widget() result */ if (widget->owner == NULL) return; if (panels_layout.horizontal_split) { widget->rect.cols = mw->rect.cols; return; } if (frame_size == frame_full) { cols = mw->rect.cols; x = mw->rect.x; } else if (widget == get_panel_widget (0)) { cols = panels_layout.left_panel_size; x = mw->rect.x; } else { cols = mw->rect.cols - panels_layout.left_panel_size; x = mw->rect.x + panels_layout.left_panel_size; } widget->rect.cols = cols; widget->rect.x = x; } /* --------------------------------------------------------------------------------------------- */ void setup_panels (void) { /* File manager screen layout: * * +---------------------------------------------------------------+ * | Menu bar | * +-------------------------------+-------------------------------+ * | | | * | | | * | | | * | | | * | Left panel | Right panel | * | | | * | | | * | | | * | | | * +-------------------------------+-------------------------------+ * | Hint (message) bar | * +---------------------------------------------------------------+ * | | * | Console content | * | | * +--------+------------------------------------------------------+ * | Prompt | Command line | * | Key (button) bar | * +--------+------------------------------------------------------+ */ Widget *mw = WIDGET (filemanager); const WRect *r = &CONST_WIDGET (mw)->rect; int start_y; gboolean active; WRect rb; active = widget_get_state (mw, WST_ACTIVE); /* lock the group to avoid many redraws */ if (active) widget_set_state (mw, WST_SUSPENDED, TRUE); /* initial height of panels */ height = r->lines - (menubar_visible ? 1 : 0) - (mc_global.message_visible ? 1 : 0) - (command_prompt ? 1 : 0) - (mc_global.keybar_visible ? 1 : 0); if (mc_global.tty.console_flag != '\0') { int minimum; if (output_lines < 0) output_lines = 0; else height -= output_lines; minimum = MINHEIGHT * (1 + (panels_layout.horizontal_split ? 1 : 0)); if (height < minimum) { output_lines -= minimum - height; height = minimum; } } rb = *r; rb.lines = 1; widget_set_size_rect (WIDGET (the_menubar), &rb); widget_set_visibility (WIDGET (the_menubar), menubar_visible); check_split (&panels_layout); start_y = r->y + (menubar_visible ? 1 : 0); /* update columns first... */ panel_do_cols (0); panel_do_cols (1); /* ...then rows and origin */ if (panels_layout.horizontal_split) { widget_set_size (panels[0].widget, start_y, r->x, panels_layout.top_panel_size, panels[0].widget->rect.cols); widget_set_size (panels[1].widget, start_y + panels_layout.top_panel_size, r->x, height - panels_layout.top_panel_size, panels[1].widget->rect.cols); } else { widget_set_size (panels[0].widget, start_y, r->x, height, panels[0].widget->rect.cols); widget_set_size (panels[1].widget, start_y, panels[1].widget->rect.x, height, panels[1].widget->rect.cols); } widget_set_size (WIDGET (the_hint), height + start_y, r->x, 1, r->cols); widget_set_visibility (WIDGET (the_hint), mc_global.message_visible); /* Output window */ if (mc_global.tty.console_flag != '\0' && output_lines != 0) { unsigned char end_line; end_line = r->lines - (mc_global.keybar_visible ? 1 : 0) - 1; output_start_y = end_line - (command_prompt ? 1 : 0) - output_lines + 1; show_console_contents (output_start_y, end_line - output_lines, end_line); } if (command_prompt) { #ifdef ENABLE_SUBSHELL if (!mc_global.tty.use_subshell || !do_load_prompt ()) #endif setup_cmdline (); } else { /* make invisible */ widget_hide (WIDGET (cmdline)); widget_hide (WIDGET (the_prompt)); } rb = *r; rb.y = r->lines - 1; rb.lines = 1; widget_set_size_rect (WIDGET (the_bar), &rb); widget_set_visibility (WIDGET (the_bar), mc_global.keybar_visible); update_xterm_title_path (); /* unlock */ if (active) { widget_set_state (mw, WST_ACTIVE, TRUE); widget_draw (mw); } } /* --------------------------------------------------------------------------------------------- */ void panels_split_equal (void) { if (panels_layout.horizontal_split) panels_layout.horizontal_equal = TRUE; else panels_layout.vertical_equal = TRUE; layout_change (); do_refresh (); } /* --------------------------------------------------------------------------------------------- */ void panels_split_more (void) { if (panels_layout.horizontal_split) { panels_layout.horizontal_equal = FALSE; panels_layout.top_panel_size++; } else { panels_layout.vertical_equal = FALSE; panels_layout.left_panel_size++; } layout_change (); } /* --------------------------------------------------------------------------------------------- */ void panels_split_less (void) { if (panels_layout.horizontal_split) { panels_layout.horizontal_equal = FALSE; panels_layout.top_panel_size--; } else { panels_layout.vertical_equal = FALSE; panels_layout.left_panel_size--; } layout_change (); } /* --------------------------------------------------------------------------------------------- */ void setup_cmdline (void) { const Widget *mw = CONST_WIDGET (filemanager); const WRect *r = &mw->rect; int prompt_width; int y; char *tmp_prompt = (char *) mc_prompt; if (!command_prompt) return; #ifdef ENABLE_SUBSHELL if (mc_global.tty.use_subshell) { /* Workaround: avoid crash on FreeBSD (see ticket #4213 for details) */ if (subshell_prompt != NULL) tmp_prompt = g_string_free (subshell_prompt, FALSE); else tmp_prompt = g_strdup (mc_prompt); (void) strip_ctrl_codes (tmp_prompt); } #endif prompt_width = str_term_width1 (tmp_prompt); /* Check for prompts too big */ if (r->cols > 8 && prompt_width > r->cols - 8) { int prompt_len; prompt_width = r->cols - 8; prompt_len = str_offset_to_pos (tmp_prompt, prompt_width); tmp_prompt[prompt_len] = '\0'; } #ifdef ENABLE_SUBSHELL if (mc_global.tty.use_subshell) { subshell_prompt = g_string_new_take (tmp_prompt); mc_prompt = subshell_prompt->str; } #endif y = r->lines - 1 - (mc_global.keybar_visible ? 1 : 0); widget_set_size (WIDGET (the_prompt), y, r->x, 1, prompt_width); label_set_text (the_prompt, mc_prompt); widget_set_size (WIDGET (cmdline), y, r->x + prompt_width, 1, r->cols - prompt_width); widget_show (WIDGET (the_prompt)); widget_show (WIDGET (cmdline)); } /* --------------------------------------------------------------------------------------------- */ void use_dash (gboolean flag) { if (flag) ok_to_refresh++; else ok_to_refresh--; } /* --------------------------------------------------------------------------------------------- */ void set_hintbar (const char *str) { label_set_text (the_hint, str); if (ok_to_refresh > 0) mc_refresh (); } /* --------------------------------------------------------------------------------------------- */ void rotate_dash (gboolean show) { static gint64 timestamp = 0; /* update with 10 FPS rate */ static const gint64 delay = G_USEC_PER_SEC / 10; const Widget *w = CONST_WIDGET (filemanager); if (!nice_rotating_dash || (ok_to_refresh <= 0)) return; if (show && !mc_time_elapsed (×tamp, delay)) return; widget_gotoyx (w, menubar_visible ? 1 : 0, w->rect.cols - 1); tty_setcolor (NORMAL_COLOR); if (!show) tty_print_alt_char (ACS_URCORNER, FALSE); else { static const char rotating_dash[4] = "|/-\\"; static size_t pos = 0; tty_print_char (rotating_dash[pos]); pos = (pos + 1) % sizeof (rotating_dash); } mc_refresh (); } /* --------------------------------------------------------------------------------------------- */ const char * get_nth_panel_name (int num) { if (num == 0) return "New Left Panel"; if (num == 1) return "New Right Panel"; { static char buffer[BUF_SMALL]; g_snprintf (buffer, sizeof (buffer), "%ith Panel", num); return buffer; } } /* --------------------------------------------------------------------------------------------- */ /* I wonder if I should start to use the folding mode than Dugan uses */ /* */ /* This is the centralized managing of the panel display types */ /* This routine takes care of destroying and creating new widgets */ /* Please note that it could manage MAX_VIEWS, not just left and right */ /* Currently nothing in the code takes advantage of this and has hard- */ /* coded values for two panels only */ /* Set the num-th panel to the view type: type */ /* This routine also keeps at least one WPanel object in the screen */ /* since a lot of routines depend on the current_panel variable */ void create_panel (int num, panel_view_mode_t type) { WRect r = { 0, 0, 0, 0 }; unsigned int the_other = 0; /* Index to the other panel */ const char *file_name = NULL; /* For Quick view */ Widget *new_widget = NULL, *old_widget = NULL; panel_view_mode_t old_type = view_listing; WPanel *the_other_panel = NULL; if (num >= MAX_VIEWS) { fprintf (stderr, "Cannot allocate more that %d views\n", MAX_VIEWS); abort (); } /* Check that we will have a WPanel * at least */ if (type != view_listing) { the_other = num == 0 ? 1 : 0; if (panels[the_other].type != view_listing) return; } /* Get rid of it */ if (panels[num].widget != NULL) { Widget *w = panels[num].widget; WPanel *panel = PANEL (w); r = w->rect; old_widget = w; old_type = panels[num].type; if (old_type == view_listing && panel->frame_size == frame_full && type != view_listing) { int md_cols = CONST_WIDGET (filemanager)->rect.cols; if (panels_layout.horizontal_split) { r.cols = md_cols; r.x = 0; } else { r.cols = md_cols - panels_layout.left_panel_size; if (num == 1) r.x = panels_layout.left_panel_size; } } } /* Restoring saved path from panels.ini for nonlist panel */ /* when it's first creation (for example view_info) */ if (old_widget == NULL && type != view_listing) panels[num].last_saved_dir = vfs_get_cwd (); switch (type) { case view_nothing: case view_listing: { gboolean last_was_panel; last_was_panel = old_widget != NULL && get_panel_type (num) != view_listing; new_widget = restore_into_right_dir_panel (num, last_was_panel, r.y, r.x, r.lines, r.cols); break; } case view_info: new_widget = WIDGET (info_new (r.y, r.x, r.lines, r.cols)); break; case view_tree: new_widget = WIDGET (tree_new (r.y, r.x, r.lines, r.cols, TRUE)); break; case view_quick: new_widget = WIDGET (mcview_new (r.y, r.x, r.lines, r.cols, TRUE)); the_other_panel = PANEL (panels[the_other].widget); if (the_other_panel != NULL) file_name = panel_current_entry (the_other_panel)->fname->str; else file_name = ""; mcview_load ((WView *) new_widget, 0, file_name, 0, 0, 0); break; default: break; } if (type != view_listing) /* Must save dir, for restoring after change type to */ /* view_listing */ save_panel_dir (num); panels[num].type = type; panels[num].widget = new_widget; /* We use replace to keep the circular list of the dialog in the */ /* same state. Maybe we could just kill it and then replace it */ if (old_widget != NULL) { if (old_type == view_listing) { /* save and write directory history of panel * ... and other histories of filemanager */ dlg_save_history (filemanager); } widget_replace (old_widget, new_widget); } if (type == view_listing) { WPanel *panel = PANEL (new_widget); /* if existing panel changed type to view_listing, then load history */ if (old_widget != NULL) { ev_history_load_save_t event_data = { NULL, new_widget }; mc_event_raise (filemanager->event_group, MCEVENT_HISTORY_LOAD, &event_data); } if (num == 0) left_panel = panel; else right_panel = panel; /* forced update format after set new sizes */ set_panel_formats (panel); } if (type == view_tree) the_tree = (WTree *) new_widget; /* Prevent current_panel's value from becoming invalid. * It's just a quick hack to prevent segfaults. Comment out and * try following: * - select left panel * - invoke menu left/tree * - as long as you stay in the left panel almost everything that uses * current_panel causes segfault, e.g. C-Enter, C-x c, ... */ if ((type != view_listing) && (current_panel == PANEL (old_widget))) current_panel = num == 0 ? right_panel : left_panel; g_free (old_widget); } /* --------------------------------------------------------------------------------------------- */ /** This routine is deeply sticked to the two panels idea. What should it do in more panels. ANSWER - don't use it in any multiple panels environment. */ void swap_panels (void) { WPanel *panel1, *panel2; Widget *tmp_widget; panel1 = PANEL (panels[0].widget); panel2 = PANEL (panels[1].widget); if (panels[0].type == view_listing && panels[1].type == view_listing && !mc_config_get_bool (mc_global.main_config, CONFIG_PANELS_SECTION, "simple_swap", FALSE)) { WPanel panel; #define panelswap(x) panel.x = panel1->x; panel1->x = panel2->x; panel2->x = panel.x; /* Change content and related stuff */ panelswap (dir); panelswap (active); panelswap (cwd_vpath); panelswap (lwd_vpath); panelswap (marked); panelswap (dirs_marked); panelswap (total); panelswap (top); panelswap (current); panelswap (is_panelized); panelswap (panelized_descr); panelswap (dir_stat); #undef panelswap panel1->quick_search.active = FALSE; panel2->quick_search.active = FALSE; if (current_panel == panel1) current_panel = panel2; else current_panel = panel1; /* if sort options are different -> resort panels */ if (memcmp (&panel1->sort_info, &panel2->sort_info, sizeof (dir_sort_options_t)) != 0) { panel_re_sort (other_panel); panel_re_sort (current_panel); } if (widget_is_active (panels[0].widget)) widget_select (panels[1].widget); else if (widget_is_active (panels[1].widget)) widget_select (panels[0].widget); } else { WPanel *tmp_panel; WRect r; int tmp_type; tmp_panel = right_panel; right_panel = left_panel; left_panel = tmp_panel; if (panels[0].type == view_listing) { if (strcmp (panel1->name, get_nth_panel_name (0)) == 0) { g_free (panel1->name); panel1->name = g_strdup (get_nth_panel_name (1)); } } if (panels[1].type == view_listing) { if (strcmp (panel2->name, get_nth_panel_name (1)) == 0) { g_free (panel2->name); panel2->name = g_strdup (get_nth_panel_name (0)); } } r = panels[0].widget->rect; panels[0].widget->rect = panels[1].widget->rect; panels[1].widget->rect = r; tmp_widget = panels[0].widget; panels[0].widget = panels[1].widget; panels[1].widget = tmp_widget; tmp_type = panels[0].type; panels[0].type = panels[1].type; panels[1].type = tmp_type; /* force update formats because of possible changed sizes */ if (panels[0].type == view_listing) set_panel_formats (PANEL (panels[0].widget)); if (panels[1].type == view_listing) set_panel_formats (PANEL (panels[1].widget)); } } /* --------------------------------------------------------------------------------------------- */ panel_view_mode_t get_panel_type (int idx) { return panels[idx].type; } /* --------------------------------------------------------------------------------------------- */ Widget * get_panel_widget (int idx) { return panels[idx].widget; } /* --------------------------------------------------------------------------------------------- */ int get_current_index (void) { return (panels[0].widget == WIDGET (current_panel) ? 0 : 1); } /* --------------------------------------------------------------------------------------------- */ int get_other_index (void) { return (get_current_index () == 0 ? 1 : 0); } /* --------------------------------------------------------------------------------------------- */ WPanel * get_other_panel (void) { return PANEL (get_panel_widget (get_other_index ())); } /* --------------------------------------------------------------------------------------------- */ /** Returns the view type for the current panel/view */ panel_view_mode_t get_current_type (void) { return (panels[0].widget == WIDGET (current_panel) ? panels[0].type : panels[1].type); } /* --------------------------------------------------------------------------------------------- */ /** Returns the view type of the unselected panel */ panel_view_mode_t get_other_type (void) { return (panels[0].widget == WIDGET (current_panel) ? panels[1].type : panels[0].type); } /* --------------------------------------------------------------------------------------------- */ /** Save current list_view widget directory into panel */ void save_panel_dir (int idx) { panel_view_mode_t type; type = get_panel_type (idx); if (type == view_listing) { WPanel *p; p = PANEL (get_panel_widget (idx)); if (p != NULL) { g_free (panels[idx].last_saved_dir); /* last path no needed */ /* Because path can be nonlocal */ panels[idx].last_saved_dir = g_strdup (vfs_path_as_str (p->cwd_vpath)); } } } /* --------------------------------------------------------------------------------------------- */ /** Return working dir, if it's view_listing - cwd, but for other types - last_saved_dir */ char * get_panel_dir_for (const WPanel * widget) { int i; for (i = 0; i < MAX_VIEWS; i++) if (PANEL (get_panel_widget (i)) == widget) break; if (i >= MAX_VIEWS) return g_strdup ("."); if (get_panel_type (i) == view_listing) { vfs_path_t *cwd_vpath; cwd_vpath = PANEL (get_panel_widget (i))->cwd_vpath; return g_strdup (vfs_path_as_str (cwd_vpath)); } return g_strdup (panels[i].last_saved_dir); } /* --------------------------------------------------------------------------------------------- */ #ifdef ENABLE_SUBSHELL gboolean do_load_prompt (void) { gboolean ret = FALSE; if (!read_subshell_prompt ()) return ret; /* Don't actually change the prompt if it's invisible */ if (top_dlg != NULL && DIALOG (top_dlg->data) == filemanager && command_prompt) { setup_cmdline (); /* since the prompt has changed, and we are called from one of the * tty_get_event channels, the prompt updating does not take place * automatically: force a cursor update and a screen refresh */ widget_update_cursor (WIDGET (filemanager)); mc_refresh (); ret = TRUE; } update_subshell_prompt = TRUE; return ret; } /* --------------------------------------------------------------------------------------------- */ int load_prompt (int fd, void *unused) { (void) fd; (void) unused; if (should_read_new_subshell_prompt) do_load_prompt (); else flush_subshell (0, QUIETLY); return 0; } #endif /* ENABLE_SUBSHELL */ /* --------------------------------------------------------------------------------------------- */ void title_path_prepare (char **path, char **login) { char host[BUF_TINY]; struct passwd *pw = NULL; int res = 0; *path = vfs_path_to_str_flags (current_panel->cwd_vpath, 0, VPF_STRIP_HOME | VPF_STRIP_PASSWORD); res = gethostname (host, sizeof (host)); if (res != 0) host[0] = '\0'; else host[sizeof (host) - 1] = '\0'; pw = getpwuid (getuid ()); if (pw != NULL) *login = g_strdup_printf ("%s@%s", pw->pw_name, host); else *login = g_strdup (host); } /* --------------------------------------------------------------------------------------------- */ /** Show current directory in the xterm title */ void update_xterm_title_path (void) { if (mc_global.tty.xterm_flag && xterm_title) { char *p; char *path; char *login; title_path_prepare (&path, &login); p = g_strdup_printf ("mc [%s]:%s", login, path); g_free (login); g_free (path); fprintf (stdout, "\33]0;%s\7", str_term_form (p)); g_free (p); if (!mc_global.tty.alternate_plus_minus) numeric_keypad_mode (); (void) fflush (stdout); } } /* --------------------------------------------------------------------------------------------- */