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Diffstat (limited to 'src/filemanager/layout.c')
| -rw-r--r-- | src/filemanager/layout.c | 1577 |
1 files changed, 1577 insertions, 0 deletions
diff --git a/src/filemanager/layout.c b/src/filemanager/layout.c new file mode 100644 index 0000000..d8072df --- /dev/null +++ b/src/filemanager/layout.c @@ -0,0 +1,1577 @@ +/* + Panel layout module for the Midnight Commander + + Copyright (C) 1995-2022 + Free Software Foundation, Inc. + + Written by: + Janne Kukonlehto, 1995 + Miguel de Icaza, 1995 + Andrew Borodin <aborodin@vmail.ru>, 2011-2022 + Slava Zanko <slavazanko@gmail.com>, 2013 + Avi Kelman <patcherton.fixesthings@gmail.com>, 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 <http://www.gnu.org/licenses/>. + */ + +/** \file layout.c + * \brief Source: panel layout module + */ + +#include <config.h> + +#include <pwd.h> /* for username in xterm title */ +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <sys/types.h> +#include <unistd.h> + +#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" /* For _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; + +/*** 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); + + /* iniitial 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 (tmp_prompt); + g_free (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 = the_other_panel->dir.list[the_other_panel->selected].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 menue 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_file); + panelswap (selected); + panelswap (is_panelized); + panelswap (dir_stat); + panelswap (sort_field); +#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); + } +} + +/* --------------------------------------------------------------------------------------------- */ |