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- /*
- Panel layout module for the Midnight Commander
- Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2009, 2011
- The Free Software Foundation, Inc.
- Written by:
- Janne Kukonlehto, 1995
- Miguel de Icaza, 1995
- 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 <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 "src/consaver/cons.saver.h"
- #include "src/viewer/mcviewer.h" /* The view widget */
- #include "src/setup.h"
- #ifdef HAVE_SUBSHELL_SUPPORT
- #include "src/main.h" /* do_load_prompt() */
- #include "src/subshell.h"
- #endif
- #include "command.h"
- #include "midnight.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 = 0,
- /* vertical split */
- .vertical_equal = 1,
- .left_panel_size = 0,
- /* horizontal split */
- .horizontal_equal = 1,
- .top_panel_size = 0
- };
- /* Controls the display of the rotating dash on the verbose mode */
- int nice_rotating_dash = 1;
- /* 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 */
- int menubar_visible = 1;
- /* 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 */
- int free_space = 1;
- /* 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 set_display_type 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)
- #define OTHER_OPTIONS_COUNT (LAYOUT_OPTIONS_COUNT - 1)
- /*** file scope type declarations ****************************************************************/
- /*** 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* */
- };
- /* These variables are used to avoid updating the information unless */
- /* we need it */
- static panels_layout_t old_layout;
- static int old_output_lines;
- /* Internal variables */
- panels_layout_t _panels_layout;
- static int equal_split;
- static int _menubar_visible;
- static int _output_lines;
- static gboolean _command_prompt;
- static int _keybar_visible;
- static int _message_visible;
- static gboolean _xterm_title;
- static int _free_space;
- static int height;
- static WRadio *radio_widget;
- static struct
- {
- const char *text;
- int *variable;
- WCheck *widget;
- } check_options[] =
- {
- /* *INDENT-OFF* */
- { N_("Show free sp&ace"), &free_space, NULL},
- { N_("&XTerm window title"), &xterm_title, NULL},
- { N_("H&intbar visible"), &mc_global.message_visible, NULL},
- { N_("&Keybar visible"), &mc_global.keybar_visible, NULL},
- { N_("Command &prompt"), &command_prompt, NULL},
- { N_("Menu&bar visible"), &menubar_visible, NULL},
- { N_("&Equal split"), &equal_split, 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
- {
- if (layout->vertical_equal)
- layout->left_panel_size = COLS / 2;
- else if (layout->left_panel_size < MINWIDTH)
- layout->left_panel_size = MINWIDTH;
- else if (layout->left_panel_size > COLS - MINWIDTH)
- layout->left_panel_size = COLS - MINWIDTH;
- }
- }
- /* --------------------------------------------------------------------------------------------- */
- static void
- update_split (const Dlg_head * 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);
- old_layout = _panels_layout;
- if (_panels_layout.horizontal_split)
- check_options[6].widget->state = _panels_layout.horizontal_equal ? 1 : 0;
- else
- check_options[6].widget->state = _panels_layout.vertical_equal ? 1 : 0;
- send_message ((Widget *) check_options[6].widget, WIDGET_DRAW, 0);
- tty_setcolor (check_options[6].widget->state & C_BOOL ? DISABLED_COLOR : COLOR_NORMAL);
- dlg_move (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);
- dlg_move (h, 6, 17);
- if (_panels_layout.horizontal_split)
- tty_printf ("%03d", height - _panels_layout.top_panel_size);
- else
- tty_printf ("%03d", COLS - _panels_layout.left_panel_size);
- dlg_move (h, 6, 12);
- tty_print_char ('=');
- }
- /* --------------------------------------------------------------------------------------------- */
- static int
- b_left_right_cback (WButton * button, int action)
- {
- (void) action;
- if (button == bleft_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 (button->widget.owner);
- 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_callback (Dlg_head * h, Widget * sender, dlg_msg_t msg, int parm, void *data)
- {
- switch (msg)
- {
- case DLG_DRAW:
- /* When repainting the whole dialog (e.g. with C-l) we have to
- update everything */
- common_dialog_repaint (h);
- old_layout.horizontal_split = -1;
- old_layout.left_panel_size = -1;
- old_layout.top_panel_size = -1;
- old_output_lines = -1;
- update_split (h);
- if (old_output_lines != _output_lines)
- {
- old_output_lines = _output_lines;
- tty_setcolor (mc_global.tty.console_flag != '\0' ? COLOR_NORMAL : DISABLED_COLOR);
- dlg_move (h, 9, 5);
- tty_print_string (output_lines_label);
- dlg_move (h, 9, 5 + 3 + output_lines_label_len);
- tty_printf ("%02d", _output_lines);
- }
- return MSG_HANDLED;
- case DLG_POST_KEY:
- _menubar_visible = check_options[5].widget->state & C_BOOL;
- _command_prompt = (check_options[4].widget->state & C_BOOL) != 0;
- _keybar_visible = check_options[3].widget->state & C_BOOL;
- _message_visible = check_options[2].widget->state & C_BOOL;
- _xterm_title = (check_options[1].widget->state & C_BOOL) != 0;
- _free_space = check_options[0].widget->state & C_BOOL;
- if (mc_global.tty.console_flag != '\0')
- {
- int minimum;
- if (_output_lines < 0)
- _output_lines = 0;
- height = LINES - _keybar_visible - (_command_prompt ? 1 : 0) -
- _menubar_visible - _output_lines - _message_visible;
- minimum = MINHEIGHT * (1 + _panels_layout.horizontal_split);
- if (height < minimum)
- {
- _output_lines -= minimum - height;
- height = minimum;
- }
- }
- else
- height = LINES - _keybar_visible - (_command_prompt ? 1 : 0) -
- _menubar_visible - _output_lines - _message_visible;
- if (old_output_lines != _output_lines)
- {
- old_output_lines = _output_lines;
- tty_setcolor (mc_global.tty.console_flag != '\0' ? COLOR_NORMAL : DISABLED_COLOR);
- dlg_move (h, 9, 5 + 3 + output_lines_label_len);
- tty_printf ("%02d", _output_lines);
- }
- return MSG_HANDLED;
- case DLG_ACTION:
- if (sender == (Widget *) radio_widget)
- {
- if (_panels_layout.horizontal_split != radio_widget->sel)
- {
- _panels_layout.horizontal_split = radio_widget->sel;
- if (_panels_layout.horizontal_split)
- {
- if (_panels_layout.horizontal_equal)
- _panels_layout.top_panel_size = height / 2;
- }
- else
- {
- if (_panels_layout.vertical_equal)
- _panels_layout.left_panel_size = COLS / 2;
- }
- }
- update_split (h);
- return MSG_HANDLED;
- }
- if (sender == (Widget *) check_options[6].widget)
- {
- int eq;
- if (_panels_layout.horizontal_split)
- {
- _panels_layout.horizontal_equal = check_options[6].widget->state & C_BOOL;
- eq = _panels_layout.horizontal_equal;
- }
- else
- {
- _panels_layout.vertical_equal = check_options[6].widget->state & C_BOOL;
- eq = _panels_layout.vertical_equal;
- }
- widget_disable (bleft_widget->widget, eq);
- send_message ((Widget *) bleft_widget, WIDGET_DRAW, 0);
- widget_disable (bright_widget->widget, eq);
- send_message ((Widget *) bright_widget, WIDGET_DRAW, 0);
- update_split (h);
- return MSG_HANDLED;
- }
- return MSG_NOT_HANDLED;
- default:
- return default_dlg_callback (h, sender, msg, parm, data);
- }
- }
- /* --------------------------------------------------------------------------------------------- */
- static Dlg_head *
- init_layout (void)
- {
- Dlg_head *layout_dlg;
- 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:");
- /* save old params */
- _panels_layout = panels_layout;
- _menubar_visible = menubar_visible;
- _command_prompt = command_prompt;
- _keybar_visible = mc_global.keybar_visible;
- _message_visible = mc_global.message_visible;
- _xterm_title = xterm_title;
- _free_space = free_space;
- old_layout.horizontal_split = -1;
- old_layout.left_panel_size = -1;
- old_layout.top_panel_size = -1;
- old_output_lines = -1;
- _output_lines = 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 =
- create_dlg (TRUE, 0, 0, 14, width,
- dialog_colors, layout_callback, NULL, "[Layout]",
- _("Layout"), DLG_CENTER | DLG_REVERSE);
- /* buttons */
- add_widget (layout_dlg,
- button_new (11, (width - b) / 3 * 2 + b1 + 1, B_CANCEL, NORMAL_BUTTON,
- cancel_button, 0));
- add_widget (layout_dlg,
- button_new (11, (width - b) / 3, B_ENTER, DEFPUSH_BUTTON, ok_button, 0));
- #define XTRACT(i) *check_options[i].variable, check_options[i].text
- /* "Other options" groupbox */
- for (i = 0; i < (size_t) OTHER_OPTIONS_COUNT; i++)
- {
- check_options[i].widget = check_new (OTHER_OPTIONS_COUNT - i + 2, 6 + l1, XTRACT (i));
- add_widget (layout_dlg, check_options[i].widget);
- }
- add_widget (layout_dlg, groupbox_new (2, 4 + l1, 9, l1, title3));
- /* "Console output" groupbox */
- {
- const int disabled = mc_global.tty.console_flag != '\0' ? 0 : W_DISABLED;
- Widget *w;
- w = (Widget *) button_new (9, output_lines_label_len + 5 + 5, B_MINUS,
- NARROW_BUTTON, "&-", bminus_cback);
- w->options |= disabled;
- add_widget (layout_dlg, w);
- w = (Widget *) button_new (9, output_lines_label_len + 5, B_PLUS,
- NARROW_BUTTON, "&+", bplus_cback);
- w->options |= disabled;
- add_widget (layout_dlg, w);
- w = (Widget *) groupbox_new (8, 3, 3, l1, title2);
- w->options |= disabled;
- add_widget (layout_dlg, w);
- }
- equal_split = panels_layout.horizontal_split ?
- panels_layout.horizontal_equal : panels_layout.vertical_equal;
- /* "Panel split" groupbox */
- bright_widget = button_new (6, 14, B_2RIGHT, NARROW_BUTTON, "&>", b_left_right_cback);
- widget_disable (bright_widget->widget, equal_split);
- add_widget (layout_dlg, bright_widget);
- bleft_widget = button_new (6, 8, B_2LEFT, NARROW_BUTTON, "&<", b_left_right_cback);
- widget_disable (bleft_widget->widget, equal_split);
- add_widget (layout_dlg, bleft_widget);
- check_options[6].widget = check_new (5, 5, XTRACT (6));
- add_widget (layout_dlg, check_options[6].widget);
- radio_widget = radio_new (3, 5, 2, s_split_direction);
- radio_widget->sel = panels_layout.horizontal_split;
- add_widget (layout_dlg, radio_widget);
- add_widget (layout_dlg, groupbox_new (2, 3, 6, l1, title1));
- #undef XTRACT
- return layout_dlg;
- }
- /* --------------------------------------------------------------------------------------------- */
- static void
- panel_do_cols (int idx)
- {
- if (get_display_type (idx) == view_listing)
- set_panel_formats ((WPanel *) 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, Widget * from_widget)
- {
- Widget *new_widget = NULL;
- const char *saved_dir = panels[idx].last_saved_dir;
- gboolean last_was_panel = (from_widget && get_display_type (idx) != view_listing);
- const char *p_name = get_nth_panel_name (idx);
- if (last_was_panel)
- new_widget = (Widget *) panel_new_with_dir (p_name, saved_dir);
- else
- new_widget = (Widget *) panel_new (p_name);
- return new_widget;
- }
- /* --------------------------------------------------------------------------------------------- */
- /*** 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 (1);
- }
- /* --------------------------------------------------------------------------------------------- */
- void
- layout_box (void)
- {
- Dlg_head *layout_dlg;
- gboolean layout_do_change = FALSE;
- layout_dlg = init_layout ();
- if (run_dlg (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 & C_BOOL;
- panels_layout.horizontal_split = radio_widget->sel;
- if (panels_layout.horizontal_split)
- {
- panels_layout.horizontal_equal = *check_options[6].variable;
- panels_layout.top_panel_size = _panels_layout.top_panel_size;
- }
- else
- {
- panels_layout.vertical_equal = *check_options[6].variable;
- panels_layout.left_panel_size = _panels_layout.left_panel_size;
- }
- output_lines = _output_lines;
- layout_do_change = TRUE;
- }
- destroy_dlg (layout_dlg);
- if (layout_do_change)
- layout_change ();
- }
- /* --------------------------------------------------------------------------------------------- */
- void
- setup_panels (void)
- {
- int start_y;
- if (mc_global.tty.console_flag != '\0')
- {
- int minimum;
- if (output_lines < 0)
- output_lines = 0;
- height =
- LINES - mc_global.keybar_visible - (command_prompt ? 1 : 0) - menubar_visible -
- output_lines - mc_global.message_visible;
- minimum = MINHEIGHT * (1 + panels_layout.horizontal_split);
- if (height < minimum)
- {
- output_lines -= minimum - height;
- height = minimum;
- }
- }
- else
- {
- height =
- LINES - menubar_visible - (command_prompt ? 1 : 0) - mc_global.keybar_visible -
- mc_global.message_visible;
- }
- check_split (&panels_layout);
- start_y = menubar_visible;
- /* The column computing is defered until panel_do_cols */
- if (panels_layout.horizontal_split)
- {
- widget_set_size (panels[0].widget, start_y, 0, panels_layout.top_panel_size, 0);
- widget_set_size (panels[1].widget, start_y + panels_layout.top_panel_size, 0,
- height - panels_layout.top_panel_size, 0);
- }
- else
- {
- widget_set_size (panels[0].widget, start_y, 0, height, 0);
- widget_set_size (panels[1].widget, start_y, panels_layout.left_panel_size, height, 0);
- }
- panel_do_cols (0);
- panel_do_cols (1);
- widget_set_size (&the_menubar->widget, 0, 0, 1, COLS);
- if (command_prompt)
- {
- #ifdef HAVE_SUBSHELL_SUPPORT
- if (!mc_global.tty.use_subshell || !do_load_prompt ())
- #endif
- setup_cmdline ();
- }
- else
- {
- widget_set_size (&cmdline->widget, 0, 0, 0, 0);
- input_set_origin (cmdline, 0, 0);
- widget_set_size (&the_prompt->widget, LINES, COLS, 0, 0);
- }
- widget_set_size (&the_bar->widget, LINES - 1, 0, mc_global.keybar_visible, COLS);
- buttonbar_set_visible (the_bar, mc_global.keybar_visible);
- /* Output window */
- if (mc_global.tty.console_flag != '\0' && output_lines)
- {
- output_start_y = LINES - (command_prompt ? 1 : 0) - mc_global.keybar_visible - output_lines;
- show_console_contents (output_start_y,
- LINES - output_lines - mc_global.keybar_visible - 1,
- LINES - mc_global.keybar_visible - 1);
- }
- if (mc_global.message_visible)
- widget_set_size (&the_hint->widget, height + start_y, 0, 1, COLS);
- else
- widget_set_size (&the_hint->widget, 0, 0, 0, 0);
- update_xterm_title_path ();
- }
- /* --------------------------------------------------------------------------------------------- */
- 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)
- {
- int prompt_len;
- int y;
- char *tmp_prompt = NULL;
- #ifdef HAVE_SUBSHELL_SUPPORT
- if (mc_global.tty.use_subshell)
- tmp_prompt = strip_ctrl_codes (subshell_prompt);
- if (tmp_prompt == NULL)
- #endif
- tmp_prompt = (char *) mc_prompt;
- prompt_len = str_term_width1 (tmp_prompt);
- /* Check for prompts too big */
- if (COLS > 8 && prompt_len > COLS - 8)
- {
- prompt_len = COLS - 8;
- tmp_prompt[prompt_len] = '\0';
- }
- mc_prompt = tmp_prompt;
- y = LINES - 1 - mc_global.keybar_visible;
- widget_set_size ((Widget *) the_prompt, y, 0, 1, prompt_len);
- label_set_text (the_prompt, mc_prompt);
- widget_set_size ((Widget *) cmdline, y, prompt_len, 1, COLS - prompt_len);
- input_set_origin ((WInput *) cmdline, prompt_len, COLS - prompt_len);
- }
- /* --------------------------------------------------------------------------------------------- */
- 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 (void)
- {
- static const char rotating_dash[] = "|/-\\";
- static size_t pos = 0;
- if (!nice_rotating_dash || (ok_to_refresh <= 0))
- return;
- if (pos >= sizeof (rotating_dash) - 1)
- pos = 0;
- tty_gotoyx (0, COLS - 1);
- tty_setcolor (NORMAL_COLOR);
- tty_print_char (rotating_dash[pos]);
- mc_refresh ();
- pos++;
- }
- /* --------------------------------------------------------------------------------------------- */
- const char *
- get_nth_panel_name (int num)
- {
- static char buffer[BUF_SMALL];
- if (!num)
- return "New Left Panel";
- else if (num == 1)
- return "New Right Panel";
- else
- {
- 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
- set_display_type (int num, panel_view_mode_t type)
- {
- int x = 0, y = 0, cols = 0, lines = 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 = (WPanel *) w;
- x = w->x;
- y = w->y;
- cols = w->cols;
- lines = w->lines;
- old_widget = w;
- old_type = panels[num].type;
- if (old_type == view_listing && panel->frame_size == frame_full && type != view_listing)
- {
- if (panels_layout.horizontal_split)
- {
- cols = COLS;
- x = 0;
- }
- else
- {
- cols = COLS - panels_layout.left_panel_size;
- if (num == 1)
- 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)
- {
- char *panel_dir;
- panel_dir = _vfs_get_cwd ();
- panels[num].last_saved_dir = g_strdup (panel_dir);
- g_free (panel_dir);
- }
- switch (type)
- {
- case view_nothing:
- case view_listing:
- new_widget = restore_into_right_dir_panel (num, old_widget);
- widget_set_size (new_widget, y, x, lines, cols);
- break;
- case view_info:
- new_widget = (Widget *) info_new (y, x, lines, cols);
- break;
- case view_tree:
- new_widget = (Widget *) tree_new (y, x, lines, cols, TRUE);
- break;
- case view_quick:
- new_widget = (Widget *) mcview_new (y, x, lines, cols, TRUE);
- the_other_panel = (WPanel *) panels[the_other].widget;
- if (the_other_panel != NULL)
- file_name = the_other_panel->dir.list[the_other_panel->selected].fname;
- else
- file_name = "";
- mcview_load ((struct mcview_struct *) new_widget, 0, file_name, 0);
- 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 ((midnight_dlg != NULL) && (old_widget != NULL))
- {
- if (old_type == view_listing)
- {
- /* save and write directory history of panel
- * ... and other histories of midnight_dlg */
- dlg_save_history (midnight_dlg);
- }
- dlg_replace_widget (old_widget, new_widget);
- }
- if (type == view_listing)
- {
- WPanel *panel = (WPanel *) 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 (midnight_dlg->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 == (WPanel *) 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 = (WPanel *) panels[0].widget;
- panel2 = (WPanel *) panels[1].widget;
- if (panels[0].type == view_listing && panels[1].type == view_listing &&
- !mc_config_get_bool (mc_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;
- #define panelswapstr(e) strcpy (panel.e, panel1->e); \
- strcpy (panel1->e, panel2->e); \
- strcpy (panel2->e, panel.e);
- /* Change content and related stuff */
- panelswap (dir);
- panelswap (active);
- panelswap (cwd_vpath);
- panelswap (lwd_vpath);
- panelswap (count);
- panelswap (marked);
- panelswap (dirs_marked);
- panelswap (total);
- panelswap (top_file);
- panelswap (selected);
- panelswap (is_panelized);
- panelswap (dir_stat);
- #undef panelswapstr
- #undef panelswap
- panel1->searching = FALSE;
- panel2->searching = 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 (panel_sort_info_t)) != 0)
- {
- panel_re_sort (other_panel);
- panel_re_sort (current_panel);
- }
- if (dlg_widget_active (panels[0].widget))
- dlg_select_widget (panels[1].widget);
- else if (dlg_widget_active (panels[1].widget))
- dlg_select_widget (panels[0].widget);
- }
- else
- {
- WPanel *tmp_panel;
- int x, y, cols, lines;
- int tmp_type;
- tmp_panel = right_panel;
- right_panel = left_panel;
- left_panel = tmp_panel;
- if (panels[0].type == view_listing)
- {
- if (strcmp (panel1->panel_name, get_nth_panel_name (0)) == 0)
- {
- g_free (panel1->panel_name);
- panel1->panel_name = g_strdup (get_nth_panel_name (1));
- }
- }
- if (panels[1].type == view_listing)
- {
- if (strcmp (panel2->panel_name, get_nth_panel_name (1)) == 0)
- {
- g_free (panel2->panel_name);
- panel2->panel_name = g_strdup (get_nth_panel_name (0));
- }
- }
- x = panels[0].widget->x;
- y = panels[0].widget->y;
- cols = panels[0].widget->cols;
- lines = panels[0].widget->lines;
- panels[0].widget->x = panels[1].widget->x;
- panels[0].widget->y = panels[1].widget->y;
- panels[0].widget->cols = panels[1].widget->cols;
- panels[0].widget->lines = panels[1].widget->lines;
- panels[1].widget->x = x;
- panels[1].widget->y = y;
- panels[1].widget->cols = cols;
- panels[1].widget->lines = lines;
- 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 ((WPanel *) panels[0].widget);
- if (panels[1].type == view_listing)
- set_panel_formats ((WPanel *) panels[1].widget);
- }
- }
- /* --------------------------------------------------------------------------------------------- */
- panel_view_mode_t
- get_display_type (int idx)
- {
- return panels[idx].type;
- }
- /* --------------------------------------------------------------------------------------------- */
- struct Widget *
- get_panel_widget (int idx)
- {
- return panels[idx].widget;
- }
- /* --------------------------------------------------------------------------------------------- */
- int
- get_current_index (void)
- {
- if (panels[0].widget == ((Widget *) current_panel))
- return 0;
- else
- return 1;
- }
- /* --------------------------------------------------------------------------------------------- */
- int
- get_other_index (void)
- {
- return !get_current_index ();
- }
- /* --------------------------------------------------------------------------------------------- */
- struct WPanel *
- get_other_panel (void)
- {
- return (struct WPanel *) get_panel_widget (get_other_index ());
- }
- /* --------------------------------------------------------------------------------------------- */
- /** Returns the view type for the current panel/view */
- panel_view_mode_t
- get_current_type (void)
- {
- if (panels[0].widget == (Widget *) current_panel)
- return panels[0].type;
- else
- return panels[1].type;
- }
- /* --------------------------------------------------------------------------------------------- */
- /** Returns the view type of the unselected panel */
- panel_view_mode_t
- get_other_type (void)
- {
- if (panels[0].widget == (Widget *) current_panel)
- return panels[1].type;
- else
- return panels[0].type;
- }
- /* --------------------------------------------------------------------------------------------- */
- /** Save current list_view widget directory into panel */
- void
- save_panel_dir (int idx)
- {
- panel_view_mode_t type = get_display_type (idx);
- Widget *widget = get_panel_widget (idx);
- if ((type == view_listing) && (widget != NULL))
- {
- WPanel *w = (WPanel *) widget;
- g_free (panels[idx].last_saved_dir); /* last path no needed */
- /* Because path can be nonlocal */
- panels[idx].last_saved_dir = vfs_path_to_str (w->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 ((WPanel *) get_panel_widget (i) == widget)
- break;
- if (i >= MAX_VIEWS)
- return g_strdup (".");
- if (get_display_type (i) == view_listing)
- return vfs_path_to_str (((WPanel *) get_panel_widget (i))->cwd_vpath);
- return g_strdup (panels[i].last_saved_dir);
- }
- /* --------------------------------------------------------------------------------------------- */
|