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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [tui/] [tui-win.c] - Diff between revs 834 and 842

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/* TUI window generic functions.
/* TUI window generic functions.
 
 
   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2008,
   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2008,
   2009, 2010 Free Software Foundation, Inc.
   2009, 2010 Free Software Foundation, Inc.
 
 
   Contributed by Hewlett-Packard Company.
   Contributed by Hewlett-Packard Company.
 
 
   This file is part of GDB.
   This file is part of GDB.
 
 
   This program is free software; you can redistribute it and/or modify
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   (at your option) any later version.
 
 
   This program is distributed in the hope that it will be useful,
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
/* This module contains procedures for handling tui window functions
/* This module contains procedures for handling tui window functions
   like resize, scrolling, scrolling, changing focus, etc.
   like resize, scrolling, scrolling, changing focus, etc.
 
 
   Author: Susan B. Macchia  */
   Author: Susan B. Macchia  */
 
 
#include "defs.h"
#include "defs.h"
#include "command.h"
#include "command.h"
#include "symtab.h"
#include "symtab.h"
#include "breakpoint.h"
#include "breakpoint.h"
#include "frame.h"
#include "frame.h"
#include "cli/cli-cmds.h"
#include "cli/cli-cmds.h"
#include "top.h"
#include "top.h"
#include "source.h"
#include "source.h"
 
 
#include "tui/tui.h"
#include "tui/tui.h"
#include "tui/tui-data.h"
#include "tui/tui-data.h"
#include "tui/tui-wingeneral.h"
#include "tui/tui-wingeneral.h"
#include "tui/tui-stack.h"
#include "tui/tui-stack.h"
#include "tui/tui-regs.h"
#include "tui/tui-regs.h"
#include "tui/tui-disasm.h"
#include "tui/tui-disasm.h"
#include "tui/tui-source.h"
#include "tui/tui-source.h"
#include "tui/tui-winsource.h"
#include "tui/tui-winsource.h"
#include "tui/tui-windata.h"
#include "tui/tui-windata.h"
#include "tui/tui-win.h"
#include "tui/tui-win.h"
 
 
#include "gdb_curses.h"
#include "gdb_curses.h"
 
 
#include "gdb_string.h"
#include "gdb_string.h"
#include <ctype.h>
#include <ctype.h>
#include "readline/readline.h"
#include "readline/readline.h"
 
 
#include <signal.h>
#include <signal.h>
 
 
/*******************************
/*******************************
** Static Local Decls
** Static Local Decls
********************************/
********************************/
static void make_visible_with_new_height (struct tui_win_info *);
static void make_visible_with_new_height (struct tui_win_info *);
static void make_invisible_and_set_new_height (struct tui_win_info *,
static void make_invisible_and_set_new_height (struct tui_win_info *,
                                               int);
                                               int);
static enum tui_status tui_adjust_win_heights (struct tui_win_info *,
static enum tui_status tui_adjust_win_heights (struct tui_win_info *,
                                               int);
                                               int);
static int new_height_ok (struct tui_win_info *, int);
static int new_height_ok (struct tui_win_info *, int);
static void tui_set_tab_width_command (char *, int);
static void tui_set_tab_width_command (char *, int);
static void tui_refresh_all_command (char *, int);
static void tui_refresh_all_command (char *, int);
static void tui_set_win_height_command (char *, int);
static void tui_set_win_height_command (char *, int);
static void tui_xdb_set_win_height_command (char *, int);
static void tui_xdb_set_win_height_command (char *, int);
static void tui_all_windows_info (char *, int);
static void tui_all_windows_info (char *, int);
static void tui_set_focus_command (char *, int);
static void tui_set_focus_command (char *, int);
static void tui_scroll_forward_command (char *, int);
static void tui_scroll_forward_command (char *, int);
static void tui_scroll_backward_command (char *, int);
static void tui_scroll_backward_command (char *, int);
static void tui_scroll_left_command (char *, int);
static void tui_scroll_left_command (char *, int);
static void tui_scroll_right_command (char *, int);
static void tui_scroll_right_command (char *, int);
static void parse_scrolling_args (char *,
static void parse_scrolling_args (char *,
                                  struct tui_win_info **,
                                  struct tui_win_info **,
                                  int *);
                                  int *);
 
 
 
 
/***************************************
/***************************************
** DEFINITIONS
** DEFINITIONS
***************************************/
***************************************/
#define WIN_HEIGHT_USAGE    "Usage: winheight <win_name> [+ | -] <#lines>\n"
#define WIN_HEIGHT_USAGE    "Usage: winheight <win_name> [+ | -] <#lines>\n"
#define XDBWIN_HEIGHT_USAGE "Usage: w <#lines>\n"
#define XDBWIN_HEIGHT_USAGE "Usage: w <#lines>\n"
#define FOCUS_USAGE         "Usage: focus {<win> | next | prev}\n"
#define FOCUS_USAGE         "Usage: focus {<win> | next | prev}\n"
 
 
/***************************************
/***************************************
** PUBLIC FUNCTIONS
** PUBLIC FUNCTIONS
***************************************/
***************************************/
 
 
#ifndef ACS_LRCORNER
#ifndef ACS_LRCORNER
#  define ACS_LRCORNER '+'
#  define ACS_LRCORNER '+'
#endif
#endif
#ifndef ACS_LLCORNER
#ifndef ACS_LLCORNER
#  define ACS_LLCORNER '+'
#  define ACS_LLCORNER '+'
#endif
#endif
#ifndef ACS_ULCORNER
#ifndef ACS_ULCORNER
#  define ACS_ULCORNER '+'
#  define ACS_ULCORNER '+'
#endif
#endif
#ifndef ACS_URCORNER
#ifndef ACS_URCORNER
#  define ACS_URCORNER '+'
#  define ACS_URCORNER '+'
#endif
#endif
#ifndef ACS_HLINE
#ifndef ACS_HLINE
#  define ACS_HLINE '-'
#  define ACS_HLINE '-'
#endif
#endif
#ifndef ACS_VLINE
#ifndef ACS_VLINE
#  define ACS_VLINE '|'
#  define ACS_VLINE '|'
#endif
#endif
 
 
/* Possible values for tui-border-kind variable.  */
/* Possible values for tui-border-kind variable.  */
static const char *tui_border_kind_enums[] = {
static const char *tui_border_kind_enums[] = {
  "space",
  "space",
  "ascii",
  "ascii",
  "acs",
  "acs",
  NULL
  NULL
};
};
 
 
/* Possible values for tui-border-mode and tui-active-border-mode.  */
/* Possible values for tui-border-mode and tui-active-border-mode.  */
static const char *tui_border_mode_enums[] = {
static const char *tui_border_mode_enums[] = {
  "normal",
  "normal",
  "standout",
  "standout",
  "reverse",
  "reverse",
  "half",
  "half",
  "half-standout",
  "half-standout",
  "bold",
  "bold",
  "bold-standout",
  "bold-standout",
  NULL
  NULL
};
};
 
 
struct tui_translate
struct tui_translate
{
{
  const char *name;
  const char *name;
  int value;
  int value;
};
};
 
 
/* Translation table for border-mode variables.
/* Translation table for border-mode variables.
   The list of values must be terminated by a NULL.
   The list of values must be terminated by a NULL.
   After the NULL value, an entry defines the default.  */
   After the NULL value, an entry defines the default.  */
struct tui_translate tui_border_mode_translate[] = {
struct tui_translate tui_border_mode_translate[] = {
  { "normal",           A_NORMAL },
  { "normal",           A_NORMAL },
  { "standout",         A_STANDOUT },
  { "standout",         A_STANDOUT },
  { "reverse",          A_REVERSE },
  { "reverse",          A_REVERSE },
  { "half",             A_DIM },
  { "half",             A_DIM },
  { "half-standout",    A_DIM | A_STANDOUT },
  { "half-standout",    A_DIM | A_STANDOUT },
  { "bold",             A_BOLD },
  { "bold",             A_BOLD },
  { "bold-standout",    A_BOLD | A_STANDOUT },
  { "bold-standout",    A_BOLD | A_STANDOUT },
  { 0, 0 },
  { 0, 0 },
  { "normal",           A_NORMAL }
  { "normal",           A_NORMAL }
};
};
 
 
/* Translation tables for border-kind, one for each border
/* Translation tables for border-kind, one for each border
   character (see wborder, border curses operations).
   character (see wborder, border curses operations).
   -1 is used to indicate the ACS because ACS characters
   -1 is used to indicate the ACS because ACS characters
   are determined at run time by curses (depends on terminal).  */
   are determined at run time by curses (depends on terminal).  */
struct tui_translate tui_border_kind_translate_vline[] = {
struct tui_translate tui_border_kind_translate_vline[] = {
  { "space",    ' ' },
  { "space",    ' ' },
  { "ascii",    '|' },
  { "ascii",    '|' },
  { "acs",      -1 },
  { "acs",      -1 },
  { 0, 0 },
  { 0, 0 },
  { "ascii",    '|' }
  { "ascii",    '|' }
};
};
 
 
struct tui_translate tui_border_kind_translate_hline[] = {
struct tui_translate tui_border_kind_translate_hline[] = {
  { "space",    ' ' },
  { "space",    ' ' },
  { "ascii",    '-' },
  { "ascii",    '-' },
  { "acs",      -1 },
  { "acs",      -1 },
  { 0, 0 },
  { 0, 0 },
  { "ascii",    '-' }
  { "ascii",    '-' }
};
};
 
 
struct tui_translate tui_border_kind_translate_ulcorner[] = {
struct tui_translate tui_border_kind_translate_ulcorner[] = {
  { "space",    ' ' },
  { "space",    ' ' },
  { "ascii",    '+' },
  { "ascii",    '+' },
  { "acs",      -1 },
  { "acs",      -1 },
  { 0, 0 },
  { 0, 0 },
  { "ascii",    '+' }
  { "ascii",    '+' }
};
};
 
 
struct tui_translate tui_border_kind_translate_urcorner[] = {
struct tui_translate tui_border_kind_translate_urcorner[] = {
  { "space",    ' ' },
  { "space",    ' ' },
  { "ascii",    '+' },
  { "ascii",    '+' },
  { "acs",      -1 },
  { "acs",      -1 },
  { 0, 0 },
  { 0, 0 },
  { "ascii",    '+' }
  { "ascii",    '+' }
};
};
 
 
struct tui_translate tui_border_kind_translate_llcorner[] = {
struct tui_translate tui_border_kind_translate_llcorner[] = {
  { "space",    ' ' },
  { "space",    ' ' },
  { "ascii",    '+' },
  { "ascii",    '+' },
  { "acs",      -1 },
  { "acs",      -1 },
  { 0, 0 },
  { 0, 0 },
  { "ascii",    '+' }
  { "ascii",    '+' }
};
};
 
 
struct tui_translate tui_border_kind_translate_lrcorner[] = {
struct tui_translate tui_border_kind_translate_lrcorner[] = {
  { "space",    ' ' },
  { "space",    ' ' },
  { "ascii",    '+' },
  { "ascii",    '+' },
  { "acs",      -1 },
  { "acs",      -1 },
  { 0, 0 },
  { 0, 0 },
  { "ascii",    '+' }
  { "ascii",    '+' }
};
};
 
 
 
 
/* Tui configuration variables controlled with set/show command.  */
/* Tui configuration variables controlled with set/show command.  */
const char *tui_active_border_mode = "bold-standout";
const char *tui_active_border_mode = "bold-standout";
static void
static void
show_tui_active_border_mode (struct ui_file *file,
show_tui_active_border_mode (struct ui_file *file,
                             int from_tty,
                             int from_tty,
                             struct cmd_list_element *c,
                             struct cmd_list_element *c,
                             const char *value)
                             const char *value)
{
{
  fprintf_filtered (file, _("\
  fprintf_filtered (file, _("\
The attribute mode to use for the active TUI window border is \"%s\".\n"),
The attribute mode to use for the active TUI window border is \"%s\".\n"),
                    value);
                    value);
}
}
 
 
const char *tui_border_mode = "normal";
const char *tui_border_mode = "normal";
static void
static void
show_tui_border_mode (struct ui_file *file,
show_tui_border_mode (struct ui_file *file,
                      int from_tty,
                      int from_tty,
                      struct cmd_list_element *c,
                      struct cmd_list_element *c,
                      const char *value)
                      const char *value)
{
{
  fprintf_filtered (file, _("\
  fprintf_filtered (file, _("\
The attribute mode to use for the TUI window borders is \"%s\".\n"),
The attribute mode to use for the TUI window borders is \"%s\".\n"),
                    value);
                    value);
}
}
 
 
const char *tui_border_kind = "acs";
const char *tui_border_kind = "acs";
static void
static void
show_tui_border_kind (struct ui_file *file,
show_tui_border_kind (struct ui_file *file,
                      int from_tty,
                      int from_tty,
                      struct cmd_list_element *c,
                      struct cmd_list_element *c,
                      const char *value)
                      const char *value)
{
{
  fprintf_filtered (file, _("The kind of border for TUI windows is \"%s\".\n"),
  fprintf_filtered (file, _("The kind of border for TUI windows is \"%s\".\n"),
                    value);
                    value);
}
}
 
 
 
 
/* Tui internal configuration variables.  These variables are updated
/* Tui internal configuration variables.  These variables are updated
   by tui_update_variables to reflect the tui configuration
   by tui_update_variables to reflect the tui configuration
   variables.  */
   variables.  */
chtype tui_border_vline;
chtype tui_border_vline;
chtype tui_border_hline;
chtype tui_border_hline;
chtype tui_border_ulcorner;
chtype tui_border_ulcorner;
chtype tui_border_urcorner;
chtype tui_border_urcorner;
chtype tui_border_llcorner;
chtype tui_border_llcorner;
chtype tui_border_lrcorner;
chtype tui_border_lrcorner;
 
 
int tui_border_attrs;
int tui_border_attrs;
int tui_active_border_attrs;
int tui_active_border_attrs;
 
 
/* Identify the item in the translation table.
/* Identify the item in the translation table.
   When the item is not recognized, use the default entry.  */
   When the item is not recognized, use the default entry.  */
static struct tui_translate *
static struct tui_translate *
translate (const char *name, struct tui_translate *table)
translate (const char *name, struct tui_translate *table)
{
{
  while (table->name)
  while (table->name)
    {
    {
      if (name && strcmp (table->name, name) == 0)
      if (name && strcmp (table->name, name) == 0)
        return table;
        return table;
      table++;
      table++;
    }
    }
 
 
  /* Not found, return default entry.  */
  /* Not found, return default entry.  */
  table++;
  table++;
  return table;
  return table;
}
}
 
 
/* Update the tui internal configuration according to gdb settings.
/* Update the tui internal configuration according to gdb settings.
   Returns 1 if the configuration has changed and the screen should
   Returns 1 if the configuration has changed and the screen should
   be redrawn.  */
   be redrawn.  */
int
int
tui_update_variables (void)
tui_update_variables (void)
{
{
  int need_redraw = 0;
  int need_redraw = 0;
  struct tui_translate *entry;
  struct tui_translate *entry;
 
 
  entry = translate (tui_border_mode, tui_border_mode_translate);
  entry = translate (tui_border_mode, tui_border_mode_translate);
  if (tui_border_attrs != entry->value)
  if (tui_border_attrs != entry->value)
    {
    {
      tui_border_attrs = entry->value;
      tui_border_attrs = entry->value;
      need_redraw = 1;
      need_redraw = 1;
    }
    }
  entry = translate (tui_active_border_mode, tui_border_mode_translate);
  entry = translate (tui_active_border_mode, tui_border_mode_translate);
  if (tui_active_border_attrs != entry->value)
  if (tui_active_border_attrs != entry->value)
    {
    {
      tui_active_border_attrs = entry->value;
      tui_active_border_attrs = entry->value;
      need_redraw = 1;
      need_redraw = 1;
    }
    }
 
 
  /* If one corner changes, all characters are changed.
  /* If one corner changes, all characters are changed.
     Only check the first one.  The ACS characters are determined at
     Only check the first one.  The ACS characters are determined at
     run time by curses terminal management.  */
     run time by curses terminal management.  */
  entry = translate (tui_border_kind, tui_border_kind_translate_lrcorner);
  entry = translate (tui_border_kind, tui_border_kind_translate_lrcorner);
  if (tui_border_lrcorner != (chtype) entry->value)
  if (tui_border_lrcorner != (chtype) entry->value)
    {
    {
      tui_border_lrcorner = (entry->value < 0) ? ACS_LRCORNER : entry->value;
      tui_border_lrcorner = (entry->value < 0) ? ACS_LRCORNER : entry->value;
      need_redraw = 1;
      need_redraw = 1;
    }
    }
  entry = translate (tui_border_kind, tui_border_kind_translate_llcorner);
  entry = translate (tui_border_kind, tui_border_kind_translate_llcorner);
  tui_border_llcorner = (entry->value < 0) ? ACS_LLCORNER : entry->value;
  tui_border_llcorner = (entry->value < 0) ? ACS_LLCORNER : entry->value;
 
 
  entry = translate (tui_border_kind, tui_border_kind_translate_ulcorner);
  entry = translate (tui_border_kind, tui_border_kind_translate_ulcorner);
  tui_border_ulcorner = (entry->value < 0) ? ACS_ULCORNER : entry->value;
  tui_border_ulcorner = (entry->value < 0) ? ACS_ULCORNER : entry->value;
 
 
  entry = translate (tui_border_kind, tui_border_kind_translate_urcorner);
  entry = translate (tui_border_kind, tui_border_kind_translate_urcorner);
  tui_border_urcorner = (entry->value < 0) ? ACS_URCORNER : entry->value;
  tui_border_urcorner = (entry->value < 0) ? ACS_URCORNER : entry->value;
 
 
  entry = translate (tui_border_kind, tui_border_kind_translate_hline);
  entry = translate (tui_border_kind, tui_border_kind_translate_hline);
  tui_border_hline = (entry->value < 0) ? ACS_HLINE : entry->value;
  tui_border_hline = (entry->value < 0) ? ACS_HLINE : entry->value;
 
 
  entry = translate (tui_border_kind, tui_border_kind_translate_vline);
  entry = translate (tui_border_kind, tui_border_kind_translate_vline);
  tui_border_vline = (entry->value < 0) ? ACS_VLINE : entry->value;
  tui_border_vline = (entry->value < 0) ? ACS_VLINE : entry->value;
 
 
  return need_redraw;
  return need_redraw;
}
}
 
 
static void
static void
set_tui_cmd (char *args, int from_tty)
set_tui_cmd (char *args, int from_tty)
{
{
}
}
 
 
static void
static void
show_tui_cmd (char *args, int from_tty)
show_tui_cmd (char *args, int from_tty)
{
{
}
}
 
 
static struct cmd_list_element *tuilist;
static struct cmd_list_element *tuilist;
 
 
static void
static void
tui_command (char *args, int from_tty)
tui_command (char *args, int from_tty)
{
{
  printf_unfiltered (_("\"tui\" must be followed by the name of a "
  printf_unfiltered (_("\"tui\" must be followed by the name of a "
                     "tui command.\n"));
                     "tui command.\n"));
  help_list (tuilist, "tui ", -1, gdb_stdout);
  help_list (tuilist, "tui ", -1, gdb_stdout);
}
}
 
 
struct cmd_list_element **
struct cmd_list_element **
tui_get_cmd_list (void)
tui_get_cmd_list (void)
{
{
  if (tuilist == 0)
  if (tuilist == 0)
    add_prefix_cmd ("tui", class_tui, tui_command,
    add_prefix_cmd ("tui", class_tui, tui_command,
                    _("Text User Interface commands."),
                    _("Text User Interface commands."),
                    &tuilist, "tui ", 0, &cmdlist);
                    &tuilist, "tui ", 0, &cmdlist);
  return &tuilist;
  return &tuilist;
}
}
 
 
/* Function to initialize gdb commands, for tui window
/* Function to initialize gdb commands, for tui window
   manipulation.  */
   manipulation.  */
 
 
/* Provide a prototype to silence -Wmissing-prototypes.  */
/* Provide a prototype to silence -Wmissing-prototypes.  */
extern initialize_file_ftype _initialize_tui_win;
extern initialize_file_ftype _initialize_tui_win;
 
 
void
void
_initialize_tui_win (void)
_initialize_tui_win (void)
{
{
  struct cmd_list_element *c;
  struct cmd_list_element *c;
  static struct cmd_list_element *tui_setlist;
  static struct cmd_list_element *tui_setlist;
  static struct cmd_list_element *tui_showlist;
  static struct cmd_list_element *tui_showlist;
 
 
  /* Define the classes of commands.
  /* Define the classes of commands.
     They will appear in the help list in the reverse of this order.  */
     They will appear in the help list in the reverse of this order.  */
  add_prefix_cmd ("tui", class_tui, set_tui_cmd,
  add_prefix_cmd ("tui", class_tui, set_tui_cmd,
                  _("TUI configuration variables"),
                  _("TUI configuration variables"),
                  &tui_setlist, "set tui ",
                  &tui_setlist, "set tui ",
                  0 /* allow-unknown */, &setlist);
                  0 /* allow-unknown */, &setlist);
  add_prefix_cmd ("tui", class_tui, show_tui_cmd,
  add_prefix_cmd ("tui", class_tui, show_tui_cmd,
                  _("TUI configuration variables"),
                  _("TUI configuration variables"),
                  &tui_showlist, "show tui ",
                  &tui_showlist, "show tui ",
                  0 /* allow-unknown */, &showlist);
                  0 /* allow-unknown */, &showlist);
 
 
  add_com ("refresh", class_tui, tui_refresh_all_command,
  add_com ("refresh", class_tui, tui_refresh_all_command,
           _("Refresh the terminal display.\n"));
           _("Refresh the terminal display.\n"));
  if (xdb_commands)
  if (xdb_commands)
    add_com_alias ("U", "refresh", class_tui, 0);
    add_com_alias ("U", "refresh", class_tui, 0);
  add_com ("tabset", class_tui, tui_set_tab_width_command, _("\
  add_com ("tabset", class_tui, tui_set_tab_width_command, _("\
Set the width (in characters) of tab stops.\n\
Set the width (in characters) of tab stops.\n\
Usage: tabset <n>\n"));
Usage: tabset <n>\n"));
  add_com ("winheight", class_tui, tui_set_win_height_command, _("\
  add_com ("winheight", class_tui, tui_set_win_height_command, _("\
Set the height of a specified window.\n\
Set the height of a specified window.\n\
Usage: winheight <win_name> [+ | -] <#lines>\n\
Usage: winheight <win_name> [+ | -] <#lines>\n\
Window names are:\n\
Window names are:\n\
src  : the source window\n\
src  : the source window\n\
cmd  : the command window\n\
cmd  : the command window\n\
asm  : the disassembly window\n\
asm  : the disassembly window\n\
regs : the register display\n"));
regs : the register display\n"));
  add_com_alias ("wh", "winheight", class_tui, 0);
  add_com_alias ("wh", "winheight", class_tui, 0);
  add_info ("win", tui_all_windows_info,
  add_info ("win", tui_all_windows_info,
            _("List of all displayed windows.\n"));
            _("List of all displayed windows.\n"));
  add_com ("focus", class_tui, tui_set_focus_command, _("\
  add_com ("focus", class_tui, tui_set_focus_command, _("\
Set focus to named window or next/prev window.\n\
Set focus to named window or next/prev window.\n\
Usage: focus {<win> | next | prev}\n\
Usage: focus {<win> | next | prev}\n\
Valid Window names are:\n\
Valid Window names are:\n\
src  : the source window\n\
src  : the source window\n\
asm  : the disassembly window\n\
asm  : the disassembly window\n\
regs : the register display\n\
regs : the register display\n\
cmd  : the command window\n"));
cmd  : the command window\n"));
  add_com_alias ("fs", "focus", class_tui, 0);
  add_com_alias ("fs", "focus", class_tui, 0);
  add_com ("+", class_tui, tui_scroll_forward_command, _("\
  add_com ("+", class_tui, tui_scroll_forward_command, _("\
Scroll window forward.\n\
Scroll window forward.\n\
Usage: + [win] [n]\n"));
Usage: + [win] [n]\n"));
  add_com ("-", class_tui, tui_scroll_backward_command, _("\
  add_com ("-", class_tui, tui_scroll_backward_command, _("\
Scroll window backward.\n\
Scroll window backward.\n\
Usage: - [win] [n]\n"));
Usage: - [win] [n]\n"));
  add_com ("<", class_tui, tui_scroll_left_command, _("\
  add_com ("<", class_tui, tui_scroll_left_command, _("\
Scroll window forward.\n\
Scroll window forward.\n\
Usage: < [win] [n]\n"));
Usage: < [win] [n]\n"));
  add_com (">", class_tui, tui_scroll_right_command, _("\
  add_com (">", class_tui, tui_scroll_right_command, _("\
Scroll window backward.\n\
Scroll window backward.\n\
Usage: > [win] [n]\n"));
Usage: > [win] [n]\n"));
  if (xdb_commands)
  if (xdb_commands)
    add_com ("w", class_xdb, tui_xdb_set_win_height_command, _("\
    add_com ("w", class_xdb, tui_xdb_set_win_height_command, _("\
XDB compatibility command for setting the height of a command window.\n\
XDB compatibility command for setting the height of a command window.\n\
Usage: w <#lines>\n"));
Usage: w <#lines>\n"));
 
 
  /* Define the tui control variables.  */
  /* Define the tui control variables.  */
  add_setshow_enum_cmd ("border-kind", no_class, tui_border_kind_enums,
  add_setshow_enum_cmd ("border-kind", no_class, tui_border_kind_enums,
                        &tui_border_kind, _("\
                        &tui_border_kind, _("\
Set the kind of border for TUI windows."), _("\
Set the kind of border for TUI windows."), _("\
Show the kind of border for TUI windows."), _("\
Show the kind of border for TUI windows."), _("\
This variable controls the border of TUI windows:\n\
This variable controls the border of TUI windows:\n\
space           use a white space\n\
space           use a white space\n\
ascii           use ascii characters + - | for the border\n\
ascii           use ascii characters + - | for the border\n\
acs             use the Alternate Character Set"),
acs             use the Alternate Character Set"),
                        NULL,
                        NULL,
                        show_tui_border_kind,
                        show_tui_border_kind,
                        &tui_setlist, &tui_showlist);
                        &tui_setlist, &tui_showlist);
 
 
  add_setshow_enum_cmd ("border-mode", no_class, tui_border_mode_enums,
  add_setshow_enum_cmd ("border-mode", no_class, tui_border_mode_enums,
                        &tui_border_mode, _("\
                        &tui_border_mode, _("\
Set the attribute mode to use for the TUI window borders."), _("\
Set the attribute mode to use for the TUI window borders."), _("\
Show the attribute mode to use for the TUI window borders."), _("\
Show the attribute mode to use for the TUI window borders."), _("\
This variable controls the attributes to use for the window borders:\n\
This variable controls the attributes to use for the window borders:\n\
normal          normal display\n\
normal          normal display\n\
standout        use highlight mode of terminal\n\
standout        use highlight mode of terminal\n\
reverse         use reverse video mode\n\
reverse         use reverse video mode\n\
half            use half bright\n\
half            use half bright\n\
half-standout   use half bright and standout mode\n\
half-standout   use half bright and standout mode\n\
bold            use extra bright or bold\n\
bold            use extra bright or bold\n\
bold-standout   use extra bright or bold with standout mode"),
bold-standout   use extra bright or bold with standout mode"),
                        NULL,
                        NULL,
                        show_tui_border_mode,
                        show_tui_border_mode,
                        &tui_setlist, &tui_showlist);
                        &tui_setlist, &tui_showlist);
 
 
  add_setshow_enum_cmd ("active-border-mode", no_class, tui_border_mode_enums,
  add_setshow_enum_cmd ("active-border-mode", no_class, tui_border_mode_enums,
                        &tui_active_border_mode, _("\
                        &tui_active_border_mode, _("\
Set the attribute mode to use for the active TUI window border."), _("\
Set the attribute mode to use for the active TUI window border."), _("\
Show the attribute mode to use for the active TUI window border."), _("\
Show the attribute mode to use for the active TUI window border."), _("\
This variable controls the attributes to use for the active window border:\n\
This variable controls the attributes to use for the active window border:\n\
normal          normal display\n\
normal          normal display\n\
standout        use highlight mode of terminal\n\
standout        use highlight mode of terminal\n\
reverse         use reverse video mode\n\
reverse         use reverse video mode\n\
half            use half bright\n\
half            use half bright\n\
half-standout   use half bright and standout mode\n\
half-standout   use half bright and standout mode\n\
bold            use extra bright or bold\n\
bold            use extra bright or bold\n\
bold-standout   use extra bright or bold with standout mode"),
bold-standout   use extra bright or bold with standout mode"),
                        NULL,
                        NULL,
                        show_tui_active_border_mode,
                        show_tui_active_border_mode,
                        &tui_setlist, &tui_showlist);
                        &tui_setlist, &tui_showlist);
}
}
 
 
/* Update gdb's knowledge of the terminal size.  */
/* Update gdb's knowledge of the terminal size.  */
void
void
tui_update_gdb_sizes (void)
tui_update_gdb_sizes (void)
{
{
  char cmd[50];
  char cmd[50];
 
 
  /* Set to TUI command window dimension or use readline values.  */
  /* Set to TUI command window dimension or use readline values.  */
  sprintf (cmd, "set width %d",
  sprintf (cmd, "set width %d",
           tui_active ? TUI_CMD_WIN->generic.width : tui_term_width());
           tui_active ? TUI_CMD_WIN->generic.width : tui_term_width());
  execute_command (cmd, 0);
  execute_command (cmd, 0);
  sprintf (cmd, "set height %d",
  sprintf (cmd, "set height %d",
           tui_active ? TUI_CMD_WIN->generic.height : tui_term_height());
           tui_active ? TUI_CMD_WIN->generic.height : tui_term_height());
  execute_command (cmd, 0);
  execute_command (cmd, 0);
}
}
 
 
 
 
/* Set the logical focus to win_info.  */
/* Set the logical focus to win_info.  */
void
void
tui_set_win_focus_to (struct tui_win_info *win_info)
tui_set_win_focus_to (struct tui_win_info *win_info)
{
{
  if (win_info != NULL)
  if (win_info != NULL)
    {
    {
      struct tui_win_info *win_with_focus = tui_win_with_focus ();
      struct tui_win_info *win_with_focus = tui_win_with_focus ();
 
 
      if (win_with_focus != NULL
      if (win_with_focus != NULL
          && win_with_focus->generic.type != CMD_WIN)
          && win_with_focus->generic.type != CMD_WIN)
        tui_unhighlight_win (win_with_focus);
        tui_unhighlight_win (win_with_focus);
      tui_set_win_with_focus (win_info);
      tui_set_win_with_focus (win_info);
      if (win_info->generic.type != CMD_WIN)
      if (win_info->generic.type != CMD_WIN)
        tui_highlight_win (win_info);
        tui_highlight_win (win_info);
    }
    }
}
}
 
 
 
 
void
void
tui_scroll_forward (struct tui_win_info *win_to_scroll,
tui_scroll_forward (struct tui_win_info *win_to_scroll,
                    int num_to_scroll)
                    int num_to_scroll)
{
{
  if (win_to_scroll != TUI_CMD_WIN)
  if (win_to_scroll != TUI_CMD_WIN)
    {
    {
      int _num_to_scroll = num_to_scroll;
      int _num_to_scroll = num_to_scroll;
 
 
      if (num_to_scroll == 0)
      if (num_to_scroll == 0)
        _num_to_scroll = win_to_scroll->generic.height - 3;
        _num_to_scroll = win_to_scroll->generic.height - 3;
 
 
      /* If we are scrolling the source or disassembly window, do a
      /* If we are scrolling the source or disassembly window, do a
         "psuedo" scroll since not all of the source is in memory,
         "psuedo" scroll since not all of the source is in memory,
         only what is in the viewport.  If win_to_scroll is the
         only what is in the viewport.  If win_to_scroll is the
         command window do nothing since the term should handle
         command window do nothing since the term should handle
         it.  */
         it.  */
      if (win_to_scroll == TUI_SRC_WIN)
      if (win_to_scroll == TUI_SRC_WIN)
        tui_vertical_source_scroll (FORWARD_SCROLL, _num_to_scroll);
        tui_vertical_source_scroll (FORWARD_SCROLL, _num_to_scroll);
      else if (win_to_scroll == TUI_DISASM_WIN)
      else if (win_to_scroll == TUI_DISASM_WIN)
        tui_vertical_disassem_scroll (FORWARD_SCROLL, _num_to_scroll);
        tui_vertical_disassem_scroll (FORWARD_SCROLL, _num_to_scroll);
      else if (win_to_scroll == TUI_DATA_WIN)
      else if (win_to_scroll == TUI_DATA_WIN)
        tui_vertical_data_scroll (FORWARD_SCROLL, _num_to_scroll);
        tui_vertical_data_scroll (FORWARD_SCROLL, _num_to_scroll);
    }
    }
}
}
 
 
void
void
tui_scroll_backward (struct tui_win_info *win_to_scroll,
tui_scroll_backward (struct tui_win_info *win_to_scroll,
                     int num_to_scroll)
                     int num_to_scroll)
{
{
  if (win_to_scroll != TUI_CMD_WIN)
  if (win_to_scroll != TUI_CMD_WIN)
    {
    {
      int _num_to_scroll = num_to_scroll;
      int _num_to_scroll = num_to_scroll;
 
 
      if (num_to_scroll == 0)
      if (num_to_scroll == 0)
        _num_to_scroll = win_to_scroll->generic.height - 3;
        _num_to_scroll = win_to_scroll->generic.height - 3;
 
 
      /* If we are scrolling the source or disassembly window, do a
      /* If we are scrolling the source or disassembly window, do a
         "psuedo" scroll since not all of the source is in memory,
         "psuedo" scroll since not all of the source is in memory,
         only what is in the viewport.  If win_to_scroll is the
         only what is in the viewport.  If win_to_scroll is the
         command window do nothing since the term should handle
         command window do nothing since the term should handle
         it.  */
         it.  */
      if (win_to_scroll == TUI_SRC_WIN)
      if (win_to_scroll == TUI_SRC_WIN)
        tui_vertical_source_scroll (BACKWARD_SCROLL, _num_to_scroll);
        tui_vertical_source_scroll (BACKWARD_SCROLL, _num_to_scroll);
      else if (win_to_scroll == TUI_DISASM_WIN)
      else if (win_to_scroll == TUI_DISASM_WIN)
        tui_vertical_disassem_scroll (BACKWARD_SCROLL, _num_to_scroll);
        tui_vertical_disassem_scroll (BACKWARD_SCROLL, _num_to_scroll);
      else if (win_to_scroll == TUI_DATA_WIN)
      else if (win_to_scroll == TUI_DATA_WIN)
        tui_vertical_data_scroll (BACKWARD_SCROLL, _num_to_scroll);
        tui_vertical_data_scroll (BACKWARD_SCROLL, _num_to_scroll);
    }
    }
}
}
 
 
 
 
void
void
tui_scroll_left (struct tui_win_info *win_to_scroll,
tui_scroll_left (struct tui_win_info *win_to_scroll,
                 int num_to_scroll)
                 int num_to_scroll)
{
{
  if (win_to_scroll != TUI_CMD_WIN)
  if (win_to_scroll != TUI_CMD_WIN)
    {
    {
      int _num_to_scroll = num_to_scroll;
      int _num_to_scroll = num_to_scroll;
 
 
      if (_num_to_scroll == 0)
      if (_num_to_scroll == 0)
        _num_to_scroll = 1;
        _num_to_scroll = 1;
 
 
      /* If we are scrolling the source or disassembly window, do a
      /* If we are scrolling the source or disassembly window, do a
         "psuedo" scroll since not all of the source is in memory,
         "psuedo" scroll since not all of the source is in memory,
         only what is in the viewport. If win_to_scroll is the command
         only what is in the viewport. If win_to_scroll is the command
         window do nothing since the term should handle it.  */
         window do nothing since the term should handle it.  */
      if (win_to_scroll == TUI_SRC_WIN
      if (win_to_scroll == TUI_SRC_WIN
          || win_to_scroll == TUI_DISASM_WIN)
          || win_to_scroll == TUI_DISASM_WIN)
        tui_horizontal_source_scroll (win_to_scroll, LEFT_SCROLL, _num_to_scroll);
        tui_horizontal_source_scroll (win_to_scroll, LEFT_SCROLL, _num_to_scroll);
    }
    }
}
}
 
 
 
 
void
void
tui_scroll_right (struct tui_win_info *win_to_scroll,
tui_scroll_right (struct tui_win_info *win_to_scroll,
                  int num_to_scroll)
                  int num_to_scroll)
{
{
  if (win_to_scroll != TUI_CMD_WIN)
  if (win_to_scroll != TUI_CMD_WIN)
    {
    {
      int _num_to_scroll = num_to_scroll;
      int _num_to_scroll = num_to_scroll;
 
 
      if (_num_to_scroll == 0)
      if (_num_to_scroll == 0)
        _num_to_scroll = 1;
        _num_to_scroll = 1;
 
 
      /* If we are scrolling the source or disassembly window, do a
      /* If we are scrolling the source or disassembly window, do a
         "psuedo" scroll since not all of the source is in memory,
         "psuedo" scroll since not all of the source is in memory,
         only what is in the viewport. If win_to_scroll is the command
         only what is in the viewport. If win_to_scroll is the command
         window do nothing since the term should handle it.  */
         window do nothing since the term should handle it.  */
      if (win_to_scroll == TUI_SRC_WIN
      if (win_to_scroll == TUI_SRC_WIN
          || win_to_scroll == TUI_DISASM_WIN)
          || win_to_scroll == TUI_DISASM_WIN)
        tui_horizontal_source_scroll (win_to_scroll, RIGHT_SCROLL, _num_to_scroll);
        tui_horizontal_source_scroll (win_to_scroll, RIGHT_SCROLL, _num_to_scroll);
    }
    }
}
}
 
 
 
 
/* Scroll a window.  Arguments are passed through a va_list.  */
/* Scroll a window.  Arguments are passed through a va_list.  */
void
void
tui_scroll (enum tui_scroll_direction direction,
tui_scroll (enum tui_scroll_direction direction,
            struct tui_win_info *win_to_scroll,
            struct tui_win_info *win_to_scroll,
            int num_to_scroll)
            int num_to_scroll)
{
{
  switch (direction)
  switch (direction)
    {
    {
    case FORWARD_SCROLL:
    case FORWARD_SCROLL:
      tui_scroll_forward (win_to_scroll, num_to_scroll);
      tui_scroll_forward (win_to_scroll, num_to_scroll);
      break;
      break;
    case BACKWARD_SCROLL:
    case BACKWARD_SCROLL:
      tui_scroll_backward (win_to_scroll, num_to_scroll);
      tui_scroll_backward (win_to_scroll, num_to_scroll);
      break;
      break;
    case LEFT_SCROLL:
    case LEFT_SCROLL:
      tui_scroll_left (win_to_scroll, num_to_scroll);
      tui_scroll_left (win_to_scroll, num_to_scroll);
      break;
      break;
    case RIGHT_SCROLL:
    case RIGHT_SCROLL:
      tui_scroll_right (win_to_scroll, num_to_scroll);
      tui_scroll_right (win_to_scroll, num_to_scroll);
      break;
      break;
    default:
    default:
      break;
      break;
    }
    }
}
}
 
 
 
 
void
void
tui_refresh_all_win (void)
tui_refresh_all_win (void)
{
{
  enum tui_win_type type;
  enum tui_win_type type;
 
 
  clearok (curscr, TRUE);
  clearok (curscr, TRUE);
  tui_refresh_all (tui_win_list);
  tui_refresh_all (tui_win_list);
  for (type = SRC_WIN; type < MAX_MAJOR_WINDOWS; type++)
  for (type = SRC_WIN; type < MAX_MAJOR_WINDOWS; type++)
    {
    {
      if (tui_win_list[type]
      if (tui_win_list[type]
          && tui_win_list[type]->generic.is_visible)
          && tui_win_list[type]->generic.is_visible)
        {
        {
          switch (type)
          switch (type)
            {
            {
            case SRC_WIN:
            case SRC_WIN:
            case DISASSEM_WIN:
            case DISASSEM_WIN:
              tui_show_source_content (tui_win_list[type]);
              tui_show_source_content (tui_win_list[type]);
              tui_check_and_display_highlight_if_needed (tui_win_list[type]);
              tui_check_and_display_highlight_if_needed (tui_win_list[type]);
              tui_erase_exec_info_content (tui_win_list[type]);
              tui_erase_exec_info_content (tui_win_list[type]);
              tui_update_exec_info (tui_win_list[type]);
              tui_update_exec_info (tui_win_list[type]);
              break;
              break;
            case DATA_WIN:
            case DATA_WIN:
              tui_refresh_data_win ();
              tui_refresh_data_win ();
              break;
              break;
            default:
            default:
              break;
              break;
            }
            }
        }
        }
    }
    }
  tui_show_locator_content ();
  tui_show_locator_content ();
}
}
 
 
 
 
/* Resize all the windows based on the the terminal size.  This
/* Resize all the windows based on the the terminal size.  This
   function gets called from within the readline sinwinch handler.  */
   function gets called from within the readline sinwinch handler.  */
void
void
tui_resize_all (void)
tui_resize_all (void)
{
{
  int height_diff, width_diff;
  int height_diff, width_diff;
  int screenheight, screenwidth;
  int screenheight, screenwidth;
 
 
  rl_get_screen_size (&screenheight, &screenwidth);
  rl_get_screen_size (&screenheight, &screenwidth);
  width_diff = screenwidth - tui_term_width ();
  width_diff = screenwidth - tui_term_width ();
  height_diff = screenheight - tui_term_height ();
  height_diff = screenheight - tui_term_height ();
  if (height_diff || width_diff)
  if (height_diff || width_diff)
    {
    {
      enum tui_layout_type cur_layout = tui_current_layout ();
      enum tui_layout_type cur_layout = tui_current_layout ();
      struct tui_win_info *win_with_focus = tui_win_with_focus ();
      struct tui_win_info *win_with_focus = tui_win_with_focus ();
      struct tui_win_info *first_win;
      struct tui_win_info *first_win;
      struct tui_win_info *second_win;
      struct tui_win_info *second_win;
      struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
      struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
      enum tui_win_type win_type;
      enum tui_win_type win_type;
      int new_height, split_diff, cmd_split_diff, num_wins_displayed = 2;
      int new_height, split_diff, cmd_split_diff, num_wins_displayed = 2;
 
 
#ifdef HAVE_RESIZE_TERM
#ifdef HAVE_RESIZE_TERM
      resize_term (screenheight, screenwidth);
      resize_term (screenheight, screenwidth);
#endif      
#endif      
      /* Turn keypad off while we resize.  */
      /* Turn keypad off while we resize.  */
      if (win_with_focus != TUI_CMD_WIN)
      if (win_with_focus != TUI_CMD_WIN)
        keypad (TUI_CMD_WIN->generic.handle, FALSE);
        keypad (TUI_CMD_WIN->generic.handle, FALSE);
      tui_update_gdb_sizes ();
      tui_update_gdb_sizes ();
      tui_set_term_height_to (screenheight);
      tui_set_term_height_to (screenheight);
      tui_set_term_width_to (screenwidth);
      tui_set_term_width_to (screenwidth);
      if (cur_layout == SRC_DISASSEM_COMMAND
      if (cur_layout == SRC_DISASSEM_COMMAND
          || cur_layout == SRC_DATA_COMMAND
          || cur_layout == SRC_DATA_COMMAND
          || cur_layout == DISASSEM_DATA_COMMAND)
          || cur_layout == DISASSEM_DATA_COMMAND)
        num_wins_displayed++;
        num_wins_displayed++;
      split_diff = height_diff / num_wins_displayed;
      split_diff = height_diff / num_wins_displayed;
      cmd_split_diff = split_diff;
      cmd_split_diff = split_diff;
      if (height_diff % num_wins_displayed)
      if (height_diff % num_wins_displayed)
        {
        {
          if (height_diff < 0)
          if (height_diff < 0)
            cmd_split_diff--;
            cmd_split_diff--;
          else
          else
            cmd_split_diff++;
            cmd_split_diff++;
        }
        }
      /* Now adjust each window.  */
      /* Now adjust each window.  */
      clear ();
      clear ();
      refresh ();
      refresh ();
      switch (cur_layout)
      switch (cur_layout)
        {
        {
        case SRC_COMMAND:
        case SRC_COMMAND:
        case DISASSEM_COMMAND:
        case DISASSEM_COMMAND:
          first_win = (struct tui_win_info *) (tui_source_windows ())->list[0];
          first_win = (struct tui_win_info *) (tui_source_windows ())->list[0];
          first_win->generic.width += width_diff;
          first_win->generic.width += width_diff;
          locator->width += width_diff;
          locator->width += width_diff;
          /* Check for invalid heights.  */
          /* Check for invalid heights.  */
          if (height_diff == 0)
          if (height_diff == 0)
            new_height = first_win->generic.height;
            new_height = first_win->generic.height;
          else if ((first_win->generic.height + split_diff) >=
          else if ((first_win->generic.height + split_diff) >=
                   (screenheight - MIN_CMD_WIN_HEIGHT - 1))
                   (screenheight - MIN_CMD_WIN_HEIGHT - 1))
            new_height = screenheight - MIN_CMD_WIN_HEIGHT - 1;
            new_height = screenheight - MIN_CMD_WIN_HEIGHT - 1;
          else if ((first_win->generic.height + split_diff) <= 0)
          else if ((first_win->generic.height + split_diff) <= 0)
            new_height = MIN_WIN_HEIGHT;
            new_height = MIN_WIN_HEIGHT;
          else
          else
            new_height = first_win->generic.height + split_diff;
            new_height = first_win->generic.height + split_diff;
 
 
          make_invisible_and_set_new_height (first_win, new_height);
          make_invisible_and_set_new_height (first_win, new_height);
          TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
          TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
          TUI_CMD_WIN->generic.width += width_diff;
          TUI_CMD_WIN->generic.width += width_diff;
          new_height = screenheight - TUI_CMD_WIN->generic.origin.y;
          new_height = screenheight - TUI_CMD_WIN->generic.origin.y;
          make_invisible_and_set_new_height (TUI_CMD_WIN, new_height);
          make_invisible_and_set_new_height (TUI_CMD_WIN, new_height);
          make_visible_with_new_height (first_win);
          make_visible_with_new_height (first_win);
          make_visible_with_new_height (TUI_CMD_WIN);
          make_visible_with_new_height (TUI_CMD_WIN);
          if (first_win->generic.content_size <= 0)
          if (first_win->generic.content_size <= 0)
            tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT);
            tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT);
          break;
          break;
        default:
        default:
          if (cur_layout == SRC_DISASSEM_COMMAND)
          if (cur_layout == SRC_DISASSEM_COMMAND)
            {
            {
              first_win = TUI_SRC_WIN;
              first_win = TUI_SRC_WIN;
              first_win->generic.width += width_diff;
              first_win->generic.width += width_diff;
              second_win = TUI_DISASM_WIN;
              second_win = TUI_DISASM_WIN;
              second_win->generic.width += width_diff;
              second_win->generic.width += width_diff;
            }
            }
          else
          else
            {
            {
              first_win = TUI_DATA_WIN;
              first_win = TUI_DATA_WIN;
              first_win->generic.width += width_diff;
              first_win->generic.width += width_diff;
              second_win = (struct tui_win_info *) (tui_source_windows ())->list[0];
              second_win = (struct tui_win_info *) (tui_source_windows ())->list[0];
              second_win->generic.width += width_diff;
              second_win->generic.width += width_diff;
            }
            }
          /* Change the first window's height/width.  */
          /* Change the first window's height/width.  */
          /* Check for invalid heights.  */
          /* Check for invalid heights.  */
          if (height_diff == 0)
          if (height_diff == 0)
            new_height = first_win->generic.height;
            new_height = first_win->generic.height;
          else if ((first_win->generic.height +
          else if ((first_win->generic.height +
                    second_win->generic.height + (split_diff * 2)) >=
                    second_win->generic.height + (split_diff * 2)) >=
                   (screenheight - MIN_CMD_WIN_HEIGHT - 1))
                   (screenheight - MIN_CMD_WIN_HEIGHT - 1))
            new_height = (screenheight - MIN_CMD_WIN_HEIGHT - 1) / 2;
            new_height = (screenheight - MIN_CMD_WIN_HEIGHT - 1) / 2;
          else if ((first_win->generic.height + split_diff) <= 0)
          else if ((first_win->generic.height + split_diff) <= 0)
            new_height = MIN_WIN_HEIGHT;
            new_height = MIN_WIN_HEIGHT;
          else
          else
            new_height = first_win->generic.height + split_diff;
            new_height = first_win->generic.height + split_diff;
          make_invisible_and_set_new_height (first_win, new_height);
          make_invisible_and_set_new_height (first_win, new_height);
 
 
          locator->width += width_diff;
          locator->width += width_diff;
 
 
          /* Change the second window's height/width.  */
          /* Change the second window's height/width.  */
          /* Check for invalid heights.  */
          /* Check for invalid heights.  */
          if (height_diff == 0)
          if (height_diff == 0)
            new_height = second_win->generic.height;
            new_height = second_win->generic.height;
          else if ((first_win->generic.height +
          else if ((first_win->generic.height +
                    second_win->generic.height + (split_diff * 2)) >=
                    second_win->generic.height + (split_diff * 2)) >=
                   (screenheight - MIN_CMD_WIN_HEIGHT - 1))
                   (screenheight - MIN_CMD_WIN_HEIGHT - 1))
            {
            {
              new_height = screenheight - MIN_CMD_WIN_HEIGHT - 1;
              new_height = screenheight - MIN_CMD_WIN_HEIGHT - 1;
              if (new_height % 2)
              if (new_height % 2)
                new_height = (new_height / 2) + 1;
                new_height = (new_height / 2) + 1;
              else
              else
                new_height /= 2;
                new_height /= 2;
            }
            }
          else if ((second_win->generic.height + split_diff) <= 0)
          else if ((second_win->generic.height + split_diff) <= 0)
            new_height = MIN_WIN_HEIGHT;
            new_height = MIN_WIN_HEIGHT;
          else
          else
            new_height = second_win->generic.height + split_diff;
            new_height = second_win->generic.height + split_diff;
          second_win->generic.origin.y = first_win->generic.height - 1;
          second_win->generic.origin.y = first_win->generic.height - 1;
          make_invisible_and_set_new_height (second_win, new_height);
          make_invisible_and_set_new_height (second_win, new_height);
 
 
          /* Change the command window's height/width.  */
          /* Change the command window's height/width.  */
          TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
          TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
          make_invisible_and_set_new_height (
          make_invisible_and_set_new_height (
                             TUI_CMD_WIN, TUI_CMD_WIN->generic.height + cmd_split_diff);
                             TUI_CMD_WIN, TUI_CMD_WIN->generic.height + cmd_split_diff);
          make_visible_with_new_height (first_win);
          make_visible_with_new_height (first_win);
          make_visible_with_new_height (second_win);
          make_visible_with_new_height (second_win);
          make_visible_with_new_height (TUI_CMD_WIN);
          make_visible_with_new_height (TUI_CMD_WIN);
          if (first_win->generic.content_size <= 0)
          if (first_win->generic.content_size <= 0)
            tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT);
            tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT);
          if (second_win->generic.content_size <= 0)
          if (second_win->generic.content_size <= 0)
            tui_erase_source_content (second_win, EMPTY_SOURCE_PROMPT);
            tui_erase_source_content (second_win, EMPTY_SOURCE_PROMPT);
          break;
          break;
        }
        }
      /* Now remove all invisible windows, and their content so that
      /* Now remove all invisible windows, and their content so that
         they get created again when called for with the new size.  */
         they get created again when called for with the new size.  */
      for (win_type = SRC_WIN; (win_type < MAX_MAJOR_WINDOWS); win_type++)
      for (win_type = SRC_WIN; (win_type < MAX_MAJOR_WINDOWS); win_type++)
        {
        {
          if (win_type != CMD_WIN
          if (win_type != CMD_WIN
              && (tui_win_list[win_type] != NULL)
              && (tui_win_list[win_type] != NULL)
              && !tui_win_list[win_type]->generic.is_visible)
              && !tui_win_list[win_type]->generic.is_visible)
            {
            {
              tui_free_window (tui_win_list[win_type]);
              tui_free_window (tui_win_list[win_type]);
              tui_win_list[win_type] = (struct tui_win_info *) NULL;
              tui_win_list[win_type] = (struct tui_win_info *) NULL;
            }
            }
        }
        }
      tui_set_win_resized_to (TRUE);
      tui_set_win_resized_to (TRUE);
      /* Turn keypad back on, unless focus is in the command
      /* Turn keypad back on, unless focus is in the command
         window.  */
         window.  */
      if (win_with_focus != TUI_CMD_WIN)
      if (win_with_focus != TUI_CMD_WIN)
        keypad (TUI_CMD_WIN->generic.handle, TRUE);
        keypad (TUI_CMD_WIN->generic.handle, TRUE);
    }
    }
}
}
 
 
#ifdef SIGWINCH
#ifdef SIGWINCH
/* SIGWINCH signal handler for the tui.  This signal handler is always
/* SIGWINCH signal handler for the tui.  This signal handler is always
   called, even when the readline package clears signals because it is
   called, even when the readline package clears signals because it is
   set as the old_sigwinch() (TUI only).  */
   set as the old_sigwinch() (TUI only).  */
static void
static void
tui_sigwinch_handler (int signal)
tui_sigwinch_handler (int signal)
{
{
  /* Say that a resize was done so that the readline can do it later
  /* Say that a resize was done so that the readline can do it later
     when appropriate.  */
     when appropriate.  */
  tui_set_win_resized_to (TRUE);
  tui_set_win_resized_to (TRUE);
}
}
#endif
#endif
 
 
/* Initializes SIGWINCH signal handler for the tui.  */
/* Initializes SIGWINCH signal handler for the tui.  */
void
void
tui_initialize_win (void)
tui_initialize_win (void)
{
{
#ifdef SIGWINCH
#ifdef SIGWINCH
#ifdef HAVE_SIGACTION
#ifdef HAVE_SIGACTION
  struct sigaction old_winch;
  struct sigaction old_winch;
  memset (&old_winch, 0, sizeof (old_winch));
  memset (&old_winch, 0, sizeof (old_winch));
  old_winch.sa_handler = &tui_sigwinch_handler;
  old_winch.sa_handler = &tui_sigwinch_handler;
  sigaction (SIGWINCH, &old_winch, NULL);
  sigaction (SIGWINCH, &old_winch, NULL);
#else
#else
  signal (SIGWINCH, &tui_sigwinch_handler);
  signal (SIGWINCH, &tui_sigwinch_handler);
#endif
#endif
#endif
#endif
}
}
 
 
 
 
/*************************
/*************************
** STATIC LOCAL FUNCTIONS
** STATIC LOCAL FUNCTIONS
**************************/
**************************/
 
 
 
 
static void
static void
tui_scroll_forward_command (char *arg, int from_tty)
tui_scroll_forward_command (char *arg, int from_tty)
{
{
  int num_to_scroll = 1;
  int num_to_scroll = 1;
  struct tui_win_info *win_to_scroll;
  struct tui_win_info *win_to_scroll;
 
 
  /* Make sure the curses mode is enabled.  */
  /* Make sure the curses mode is enabled.  */
  tui_enable ();
  tui_enable ();
  if (arg == (char *) NULL)
  if (arg == (char *) NULL)
    parse_scrolling_args (arg, &win_to_scroll, (int *) NULL);
    parse_scrolling_args (arg, &win_to_scroll, (int *) NULL);
  else
  else
    parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll);
    parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll);
  tui_scroll (FORWARD_SCROLL, win_to_scroll, num_to_scroll);
  tui_scroll (FORWARD_SCROLL, win_to_scroll, num_to_scroll);
}
}
 
 
 
 
static void
static void
tui_scroll_backward_command (char *arg, int from_tty)
tui_scroll_backward_command (char *arg, int from_tty)
{
{
  int num_to_scroll = 1;
  int num_to_scroll = 1;
  struct tui_win_info *win_to_scroll;
  struct tui_win_info *win_to_scroll;
 
 
  /* Make sure the curses mode is enabled.  */
  /* Make sure the curses mode is enabled.  */
  tui_enable ();
  tui_enable ();
  if (arg == (char *) NULL)
  if (arg == (char *) NULL)
    parse_scrolling_args (arg, &win_to_scroll, (int *) NULL);
    parse_scrolling_args (arg, &win_to_scroll, (int *) NULL);
  else
  else
    parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll);
    parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll);
  tui_scroll (BACKWARD_SCROLL, win_to_scroll, num_to_scroll);
  tui_scroll (BACKWARD_SCROLL, win_to_scroll, num_to_scroll);
}
}
 
 
 
 
static void
static void
tui_scroll_left_command (char *arg, int from_tty)
tui_scroll_left_command (char *arg, int from_tty)
{
{
  int num_to_scroll;
  int num_to_scroll;
  struct tui_win_info *win_to_scroll;
  struct tui_win_info *win_to_scroll;
 
 
  /* Make sure the curses mode is enabled.  */
  /* Make sure the curses mode is enabled.  */
  tui_enable ();
  tui_enable ();
  parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll);
  parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll);
  tui_scroll (LEFT_SCROLL, win_to_scroll, num_to_scroll);
  tui_scroll (LEFT_SCROLL, win_to_scroll, num_to_scroll);
}
}
 
 
 
 
static void
static void
tui_scroll_right_command (char *arg, int from_tty)
tui_scroll_right_command (char *arg, int from_tty)
{
{
  int num_to_scroll;
  int num_to_scroll;
  struct tui_win_info *win_to_scroll;
  struct tui_win_info *win_to_scroll;
 
 
  /* Make sure the curses mode is enabled.  */
  /* Make sure the curses mode is enabled.  */
  tui_enable ();
  tui_enable ();
  parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll);
  parse_scrolling_args (arg, &win_to_scroll, &num_to_scroll);
  tui_scroll (RIGHT_SCROLL, win_to_scroll, num_to_scroll);
  tui_scroll (RIGHT_SCROLL, win_to_scroll, num_to_scroll);
}
}
 
 
 
 
/* Set focus to the window named by 'arg'.  */
/* Set focus to the window named by 'arg'.  */
static void
static void
tui_set_focus (char *arg, int from_tty)
tui_set_focus (char *arg, int from_tty)
{
{
  if (arg != (char *) NULL)
  if (arg != (char *) NULL)
    {
    {
      char *buf_ptr = (char *) xstrdup (arg);
      char *buf_ptr = (char *) xstrdup (arg);
      int i;
      int i;
      struct tui_win_info *win_info = (struct tui_win_info *) NULL;
      struct tui_win_info *win_info = (struct tui_win_info *) NULL;
 
 
      for (i = 0; (i < strlen (buf_ptr)); i++)
      for (i = 0; (i < strlen (buf_ptr)); i++)
        buf_ptr[i] = toupper (arg[i]);
        buf_ptr[i] = toupper (arg[i]);
 
 
      if (subset_compare (buf_ptr, "NEXT"))
      if (subset_compare (buf_ptr, "NEXT"))
        win_info = tui_next_win (tui_win_with_focus ());
        win_info = tui_next_win (tui_win_with_focus ());
      else if (subset_compare (buf_ptr, "PREV"))
      else if (subset_compare (buf_ptr, "PREV"))
        win_info = tui_prev_win (tui_win_with_focus ());
        win_info = tui_prev_win (tui_win_with_focus ());
      else
      else
        win_info = tui_partial_win_by_name (buf_ptr);
        win_info = tui_partial_win_by_name (buf_ptr);
 
 
      if (win_info == (struct tui_win_info *) NULL
      if (win_info == (struct tui_win_info *) NULL
          || !win_info->generic.is_visible)
          || !win_info->generic.is_visible)
        warning (_("Invalid window specified. \n\
        warning (_("Invalid window specified. \n\
The window name specified must be valid and visible.\n"));
The window name specified must be valid and visible.\n"));
      else
      else
        {
        {
          tui_set_win_focus_to (win_info);
          tui_set_win_focus_to (win_info);
          keypad (TUI_CMD_WIN->generic.handle, (win_info != TUI_CMD_WIN));
          keypad (TUI_CMD_WIN->generic.handle, (win_info != TUI_CMD_WIN));
        }
        }
 
 
      if (TUI_DATA_WIN && TUI_DATA_WIN->generic.is_visible)
      if (TUI_DATA_WIN && TUI_DATA_WIN->generic.is_visible)
        tui_refresh_data_win ();
        tui_refresh_data_win ();
      xfree (buf_ptr);
      xfree (buf_ptr);
      printf_filtered (_("Focus set to %s window.\n"),
      printf_filtered (_("Focus set to %s window.\n"),
                       tui_win_name ((struct tui_gen_win_info *) tui_win_with_focus ()));
                       tui_win_name ((struct tui_gen_win_info *) tui_win_with_focus ()));
    }
    }
  else
  else
    warning (_("Incorrect Number of Arguments.\n%s"), FOCUS_USAGE);
    warning (_("Incorrect Number of Arguments.\n%s"), FOCUS_USAGE);
}
}
 
 
static void
static void
tui_set_focus_command (char *arg, int from_tty)
tui_set_focus_command (char *arg, int from_tty)
{
{
  /* Make sure the curses mode is enabled.  */
  /* Make sure the curses mode is enabled.  */
  tui_enable ();
  tui_enable ();
  tui_set_focus (arg, from_tty);
  tui_set_focus (arg, from_tty);
}
}
 
 
 
 
static void
static void
tui_all_windows_info (char *arg, int from_tty)
tui_all_windows_info (char *arg, int from_tty)
{
{
  enum tui_win_type type;
  enum tui_win_type type;
  struct tui_win_info *win_with_focus = tui_win_with_focus ();
  struct tui_win_info *win_with_focus = tui_win_with_focus ();
 
 
  for (type = SRC_WIN; (type < MAX_MAJOR_WINDOWS); type++)
  for (type = SRC_WIN; (type < MAX_MAJOR_WINDOWS); type++)
    if (tui_win_list[type]
    if (tui_win_list[type]
        && tui_win_list[type]->generic.is_visible)
        && tui_win_list[type]->generic.is_visible)
      {
      {
        if (win_with_focus == tui_win_list[type])
        if (win_with_focus == tui_win_list[type])
          printf_filtered ("        %s\t(%d lines)  <has focus>\n",
          printf_filtered ("        %s\t(%d lines)  <has focus>\n",
                           tui_win_name (&tui_win_list[type]->generic),
                           tui_win_name (&tui_win_list[type]->generic),
                           tui_win_list[type]->generic.height);
                           tui_win_list[type]->generic.height);
        else
        else
          printf_filtered ("        %s\t(%d lines)\n",
          printf_filtered ("        %s\t(%d lines)\n",
                           tui_win_name (&tui_win_list[type]->generic),
                           tui_win_name (&tui_win_list[type]->generic),
                           tui_win_list[type]->generic.height);
                           tui_win_list[type]->generic.height);
      }
      }
}
}
 
 
 
 
static void
static void
tui_refresh_all_command (char *arg, int from_tty)
tui_refresh_all_command (char *arg, int from_tty)
{
{
  /* Make sure the curses mode is enabled.  */
  /* Make sure the curses mode is enabled.  */
  tui_enable ();
  tui_enable ();
 
 
  tui_refresh_all_win ();
  tui_refresh_all_win ();
}
}
 
 
 
 
/* Set the height of the specified window.  */
/* Set the height of the specified window.  */
static void
static void
tui_set_tab_width_command (char *arg, int from_tty)
tui_set_tab_width_command (char *arg, int from_tty)
{
{
  /* Make sure the curses mode is enabled.  */
  /* Make sure the curses mode is enabled.  */
  tui_enable ();
  tui_enable ();
  if (arg != (char *) NULL)
  if (arg != (char *) NULL)
    {
    {
      int ts;
      int ts;
 
 
      ts = atoi (arg);
      ts = atoi (arg);
      if (ts > 0)
      if (ts > 0)
        tui_set_default_tab_len (ts);
        tui_set_default_tab_len (ts);
      else
      else
        warning (_("Tab widths greater than 0 must be specified."));
        warning (_("Tab widths greater than 0 must be specified."));
    }
    }
}
}
 
 
 
 
/* Set the height of the specified window.  */
/* Set the height of the specified window.  */
static void
static void
tui_set_win_height (char *arg, int from_tty)
tui_set_win_height (char *arg, int from_tty)
{
{
  /* Make sure the curses mode is enabled.  */
  /* Make sure the curses mode is enabled.  */
  tui_enable ();
  tui_enable ();
  if (arg != (char *) NULL)
  if (arg != (char *) NULL)
    {
    {
      char *buf = xstrdup (arg);
      char *buf = xstrdup (arg);
      char *buf_ptr = buf;
      char *buf_ptr = buf;
      char *wname = (char *) NULL;
      char *wname = (char *) NULL;
      int new_height, i;
      int new_height, i;
      struct tui_win_info *win_info;
      struct tui_win_info *win_info;
 
 
      wname = buf_ptr;
      wname = buf_ptr;
      buf_ptr = strchr (buf_ptr, ' ');
      buf_ptr = strchr (buf_ptr, ' ');
      if (buf_ptr != (char *) NULL)
      if (buf_ptr != (char *) NULL)
        {
        {
          *buf_ptr = (char) 0;
          *buf_ptr = (char) 0;
 
 
          /* Validate the window name.  */
          /* Validate the window name.  */
          for (i = 0; i < strlen (wname); i++)
          for (i = 0; i < strlen (wname); i++)
            wname[i] = toupper (wname[i]);
            wname[i] = toupper (wname[i]);
          win_info = tui_partial_win_by_name (wname);
          win_info = tui_partial_win_by_name (wname);
 
 
          if (win_info == (struct tui_win_info *) NULL
          if (win_info == (struct tui_win_info *) NULL
              || !win_info->generic.is_visible)
              || !win_info->generic.is_visible)
            warning (_("Invalid window specified. \n\
            warning (_("Invalid window specified. \n\
The window name specified must be valid and visible.\n"));
The window name specified must be valid and visible.\n"));
          else
          else
            {
            {
              /* Process the size.  */
              /* Process the size.  */
              while (*(++buf_ptr) == ' ')
              while (*(++buf_ptr) == ' ')
                ;
                ;
 
 
              if (*buf_ptr != (char) 0)
              if (*buf_ptr != (char) 0)
                {
                {
                  int negate = FALSE;
                  int negate = FALSE;
                  int fixed_size = TRUE;
                  int fixed_size = TRUE;
                  int input_no;;
                  int input_no;;
 
 
                  if (*buf_ptr == '+' || *buf_ptr == '-')
                  if (*buf_ptr == '+' || *buf_ptr == '-')
                    {
                    {
                      if (*buf_ptr == '-')
                      if (*buf_ptr == '-')
                        negate = TRUE;
                        negate = TRUE;
                      fixed_size = FALSE;
                      fixed_size = FALSE;
                      buf_ptr++;
                      buf_ptr++;
                    }
                    }
                  input_no = atoi (buf_ptr);
                  input_no = atoi (buf_ptr);
                  if (input_no > 0)
                  if (input_no > 0)
                    {
                    {
                      if (negate)
                      if (negate)
                        input_no *= (-1);
                        input_no *= (-1);
                      if (fixed_size)
                      if (fixed_size)
                        new_height = input_no;
                        new_height = input_no;
                      else
                      else
                        new_height = win_info->generic.height + input_no;
                        new_height = win_info->generic.height + input_no;
 
 
                      /* Now change the window's height, and adjust
                      /* Now change the window's height, and adjust
                         all other windows around it.  */
                         all other windows around it.  */
                      if (tui_adjust_win_heights (win_info,
                      if (tui_adjust_win_heights (win_info,
                                                new_height) == TUI_FAILURE)
                                                new_height) == TUI_FAILURE)
                        warning (_("Invalid window height specified.\n%s"),
                        warning (_("Invalid window height specified.\n%s"),
                                 WIN_HEIGHT_USAGE);
                                 WIN_HEIGHT_USAGE);
                      else
                      else
                        tui_update_gdb_sizes ();
                        tui_update_gdb_sizes ();
                    }
                    }
                  else
                  else
                    warning (_("Invalid window height specified.\n%s"),
                    warning (_("Invalid window height specified.\n%s"),
                             WIN_HEIGHT_USAGE);
                             WIN_HEIGHT_USAGE);
                }
                }
            }
            }
        }
        }
      else
      else
        printf_filtered (WIN_HEIGHT_USAGE);
        printf_filtered (WIN_HEIGHT_USAGE);
 
 
      if (buf != (char *) NULL)
      if (buf != (char *) NULL)
        xfree (buf);
        xfree (buf);
    }
    }
  else
  else
    printf_filtered (WIN_HEIGHT_USAGE);
    printf_filtered (WIN_HEIGHT_USAGE);
}
}
 
 
/* Set the height of the specified window, with va_list.  */
/* Set the height of the specified window, with va_list.  */
static void
static void
tui_set_win_height_command (char *arg, int from_tty)
tui_set_win_height_command (char *arg, int from_tty)
{
{
  /* Make sure the curses mode is enabled.  */
  /* Make sure the curses mode is enabled.  */
  tui_enable ();
  tui_enable ();
  tui_set_win_height (arg, from_tty);
  tui_set_win_height (arg, from_tty);
}
}
 
 
 
 
/* XDB Compatibility command for setting the window height.  This will
/* XDB Compatibility command for setting the window height.  This will
   increase or decrease the command window by the specified
   increase or decrease the command window by the specified
   amount.  */
   amount.  */
static void
static void
tui_xdb_set_win_height (char *arg, int from_tty)
tui_xdb_set_win_height (char *arg, int from_tty)
{
{
  /* Make sure the curses mode is enabled.  */
  /* Make sure the curses mode is enabled.  */
  tui_enable ();
  tui_enable ();
  if (arg != (char *) NULL)
  if (arg != (char *) NULL)
    {
    {
      int input_no = atoi (arg);
      int input_no = atoi (arg);
 
 
      if (input_no > 0)
      if (input_no > 0)
        {                       /* Add 1 for the locator.  */
        {                       /* Add 1 for the locator.  */
          int new_height = tui_term_height () - (input_no + 1);
          int new_height = tui_term_height () - (input_no + 1);
 
 
          if (!new_height_ok (tui_win_list[CMD_WIN], new_height)
          if (!new_height_ok (tui_win_list[CMD_WIN], new_height)
              || tui_adjust_win_heights (tui_win_list[CMD_WIN],
              || tui_adjust_win_heights (tui_win_list[CMD_WIN],
                                         new_height) == TUI_FAILURE)
                                         new_height) == TUI_FAILURE)
            warning (_("Invalid window height specified.\n%s"),
            warning (_("Invalid window height specified.\n%s"),
                     XDBWIN_HEIGHT_USAGE);
                     XDBWIN_HEIGHT_USAGE);
        }
        }
      else
      else
        warning (_("Invalid window height specified.\n%s"),
        warning (_("Invalid window height specified.\n%s"),
                 XDBWIN_HEIGHT_USAGE);
                 XDBWIN_HEIGHT_USAGE);
    }
    }
  else
  else
    warning (_("Invalid window height specified.\n%s"), XDBWIN_HEIGHT_USAGE);
    warning (_("Invalid window height specified.\n%s"), XDBWIN_HEIGHT_USAGE);
}
}
 
 
/* Set the height of the specified window, with va_list.  */
/* Set the height of the specified window, with va_list.  */
static void
static void
tui_xdb_set_win_height_command (char *arg, int from_tty)
tui_xdb_set_win_height_command (char *arg, int from_tty)
{
{
  tui_xdb_set_win_height (arg, from_tty);
  tui_xdb_set_win_height (arg, from_tty);
}
}
 
 
 
 
/* Function to adjust all window heights around the primary.   */
/* Function to adjust all window heights around the primary.   */
static enum tui_status
static enum tui_status
tui_adjust_win_heights (struct tui_win_info *primary_win_info,
tui_adjust_win_heights (struct tui_win_info *primary_win_info,
                        int new_height)
                        int new_height)
{
{
  enum tui_status status = TUI_FAILURE;
  enum tui_status status = TUI_FAILURE;
 
 
  if (new_height_ok (primary_win_info, new_height))
  if (new_height_ok (primary_win_info, new_height))
    {
    {
      status = TUI_SUCCESS;
      status = TUI_SUCCESS;
      if (new_height != primary_win_info->generic.height)
      if (new_height != primary_win_info->generic.height)
        {
        {
          int diff;
          int diff;
          struct tui_win_info *win_info;
          struct tui_win_info *win_info;
          struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
          struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
          enum tui_layout_type cur_layout = tui_current_layout ();
          enum tui_layout_type cur_layout = tui_current_layout ();
 
 
          diff = (new_height - primary_win_info->generic.height) * (-1);
          diff = (new_height - primary_win_info->generic.height) * (-1);
          if (cur_layout == SRC_COMMAND
          if (cur_layout == SRC_COMMAND
              || cur_layout == DISASSEM_COMMAND)
              || cur_layout == DISASSEM_COMMAND)
            {
            {
              struct tui_win_info *src_win_info;
              struct tui_win_info *src_win_info;
 
 
              make_invisible_and_set_new_height (primary_win_info, new_height);
              make_invisible_and_set_new_height (primary_win_info, new_height);
              if (primary_win_info->generic.type == CMD_WIN)
              if (primary_win_info->generic.type == CMD_WIN)
                {
                {
                  win_info = (tui_source_windows ())->list[0];
                  win_info = (tui_source_windows ())->list[0];
                  src_win_info = win_info;
                  src_win_info = win_info;
                }
                }
              else
              else
                {
                {
                  win_info = tui_win_list[CMD_WIN];
                  win_info = tui_win_list[CMD_WIN];
                  src_win_info = primary_win_info;
                  src_win_info = primary_win_info;
                }
                }
              make_invisible_and_set_new_height (win_info,
              make_invisible_and_set_new_height (win_info,
                                             win_info->generic.height + diff);
                                             win_info->generic.height + diff);
              TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
              TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
              make_visible_with_new_height (win_info);
              make_visible_with_new_height (win_info);
              make_visible_with_new_height (primary_win_info);
              make_visible_with_new_height (primary_win_info);
              if (src_win_info->generic.content_size <= 0)
              if (src_win_info->generic.content_size <= 0)
                tui_erase_source_content (src_win_info, EMPTY_SOURCE_PROMPT);
                tui_erase_source_content (src_win_info, EMPTY_SOURCE_PROMPT);
            }
            }
          else
          else
            {
            {
              struct tui_win_info *first_win;
              struct tui_win_info *first_win;
              struct tui_win_info *second_win;
              struct tui_win_info *second_win;
 
 
              if (cur_layout == SRC_DISASSEM_COMMAND)
              if (cur_layout == SRC_DISASSEM_COMMAND)
                {
                {
                  first_win = TUI_SRC_WIN;
                  first_win = TUI_SRC_WIN;
                  second_win = TUI_DISASM_WIN;
                  second_win = TUI_DISASM_WIN;
                }
                }
              else
              else
                {
                {
                  first_win = TUI_DATA_WIN;
                  first_win = TUI_DATA_WIN;
                  second_win = (tui_source_windows ())->list[0];
                  second_win = (tui_source_windows ())->list[0];
                }
                }
              if (primary_win_info == TUI_CMD_WIN)
              if (primary_win_info == TUI_CMD_WIN)
                { /* Split the change in height accross the 1st & 2nd
                { /* Split the change in height accross the 1st & 2nd
                     windows, adjusting them as well.  */
                     windows, adjusting them as well.  */
                  /* Subtract the locator.  */
                  /* Subtract the locator.  */
                  int first_split_diff = diff / 2;
                  int first_split_diff = diff / 2;
                  int second_split_diff = first_split_diff;
                  int second_split_diff = first_split_diff;
 
 
                  if (diff % 2)
                  if (diff % 2)
                    {
                    {
                      if (first_win->generic.height >
                      if (first_win->generic.height >
                          second_win->generic.height)
                          second_win->generic.height)
                        if (diff < 0)
                        if (diff < 0)
                          first_split_diff--;
                          first_split_diff--;
                        else
                        else
                          first_split_diff++;
                          first_split_diff++;
                      else
                      else
                        {
                        {
                          if (diff < 0)
                          if (diff < 0)
                            second_split_diff--;
                            second_split_diff--;
                          else
                          else
                            second_split_diff++;
                            second_split_diff++;
                        }
                        }
                    }
                    }
                  /* Make sure that the minimum hieghts are
                  /* Make sure that the minimum hieghts are
                     honored.  */
                     honored.  */
                  while ((first_win->generic.height + first_split_diff) < 3)
                  while ((first_win->generic.height + first_split_diff) < 3)
                    {
                    {
                      first_split_diff++;
                      first_split_diff++;
                      second_split_diff--;
                      second_split_diff--;
                    }
                    }
                  while ((second_win->generic.height + second_split_diff) < 3)
                  while ((second_win->generic.height + second_split_diff) < 3)
                    {
                    {
                      second_split_diff++;
                      second_split_diff++;
                      first_split_diff--;
                      first_split_diff--;
                    }
                    }
                  make_invisible_and_set_new_height (
                  make_invisible_and_set_new_height (
                                                  first_win,
                                                  first_win,
                                 first_win->generic.height + first_split_diff);
                                 first_win->generic.height + first_split_diff);
                  second_win->generic.origin.y = first_win->generic.height - 1;
                  second_win->generic.origin.y = first_win->generic.height - 1;
                  make_invisible_and_set_new_height (
                  make_invisible_and_set_new_height (
                    second_win, second_win->generic.height + second_split_diff);
                    second_win, second_win->generic.height + second_split_diff);
                  TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
                  TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
                  make_invisible_and_set_new_height (TUI_CMD_WIN, new_height);
                  make_invisible_and_set_new_height (TUI_CMD_WIN, new_height);
                }
                }
              else
              else
                {
                {
                  if ((TUI_CMD_WIN->generic.height + diff) < 1)
                  if ((TUI_CMD_WIN->generic.height + diff) < 1)
                    { /* If there is no way to increase the command
                    { /* If there is no way to increase the command
                         window take real estate from the 1st or 2nd
                         window take real estate from the 1st or 2nd
                         window.  */
                         window.  */
                      if ((TUI_CMD_WIN->generic.height + diff) < 1)
                      if ((TUI_CMD_WIN->generic.height + diff) < 1)
                        {
                        {
                          int i;
                          int i;
                          for (i = TUI_CMD_WIN->generic.height + diff;
                          for (i = TUI_CMD_WIN->generic.height + diff;
                               (i < 1); i++)
                               (i < 1); i++)
                            if (primary_win_info == first_win)
                            if (primary_win_info == first_win)
                              second_win->generic.height--;
                              second_win->generic.height--;
                            else
                            else
                              first_win->generic.height--;
                              first_win->generic.height--;
                        }
                        }
                    }
                    }
                  if (primary_win_info == first_win)
                  if (primary_win_info == first_win)
                    make_invisible_and_set_new_height (first_win, new_height);
                    make_invisible_and_set_new_height (first_win, new_height);
                  else
                  else
                    make_invisible_and_set_new_height (
                    make_invisible_and_set_new_height (
                                                    first_win,
                                                    first_win,
                                                  first_win->generic.height);
                                                  first_win->generic.height);
                  second_win->generic.origin.y = first_win->generic.height - 1;
                  second_win->generic.origin.y = first_win->generic.height - 1;
                  if (primary_win_info == second_win)
                  if (primary_win_info == second_win)
                    make_invisible_and_set_new_height (second_win, new_height);
                    make_invisible_and_set_new_height (second_win, new_height);
                  else
                  else
                    make_invisible_and_set_new_height (
                    make_invisible_and_set_new_height (
                                      second_win, second_win->generic.height);
                                      second_win, second_win->generic.height);
                  TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
                  TUI_CMD_WIN->generic.origin.y = locator->origin.y + 1;
                  if ((TUI_CMD_WIN->generic.height + diff) < 1)
                  if ((TUI_CMD_WIN->generic.height + diff) < 1)
                    make_invisible_and_set_new_height (TUI_CMD_WIN, 1);
                    make_invisible_and_set_new_height (TUI_CMD_WIN, 1);
                  else
                  else
                    make_invisible_and_set_new_height (
                    make_invisible_and_set_new_height (
                                     TUI_CMD_WIN, TUI_CMD_WIN->generic.height + diff);
                                     TUI_CMD_WIN, TUI_CMD_WIN->generic.height + diff);
                }
                }
              make_visible_with_new_height (TUI_CMD_WIN);
              make_visible_with_new_height (TUI_CMD_WIN);
              make_visible_with_new_height (second_win);
              make_visible_with_new_height (second_win);
              make_visible_with_new_height (first_win);
              make_visible_with_new_height (first_win);
              if (first_win->generic.content_size <= 0)
              if (first_win->generic.content_size <= 0)
                tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT);
                tui_erase_source_content (first_win, EMPTY_SOURCE_PROMPT);
              if (second_win->generic.content_size <= 0)
              if (second_win->generic.content_size <= 0)
                tui_erase_source_content (second_win, EMPTY_SOURCE_PROMPT);
                tui_erase_source_content (second_win, EMPTY_SOURCE_PROMPT);
            }
            }
        }
        }
    }
    }
 
 
  return status;
  return status;
}
}
 
 
 
 
/* Function make the target window (and auxillary windows associated
/* Function make the target window (and auxillary windows associated
   with the targer) invisible, and set the new height and
   with the targer) invisible, and set the new height and
   location.  */
   location.  */
static void
static void
make_invisible_and_set_new_height (struct tui_win_info *win_info,
make_invisible_and_set_new_height (struct tui_win_info *win_info,
                                   int height)
                                   int height)
{
{
  int i;
  int i;
  struct tui_gen_win_info *gen_win_info;
  struct tui_gen_win_info *gen_win_info;
 
 
  tui_make_invisible (&win_info->generic);
  tui_make_invisible (&win_info->generic);
  win_info->generic.height = height;
  win_info->generic.height = height;
  if (height > 1)
  if (height > 1)
    win_info->generic.viewport_height = height - 1;
    win_info->generic.viewport_height = height - 1;
  else
  else
    win_info->generic.viewport_height = height;
    win_info->generic.viewport_height = height;
  if (win_info != TUI_CMD_WIN)
  if (win_info != TUI_CMD_WIN)
    win_info->generic.viewport_height--;
    win_info->generic.viewport_height--;
 
 
  /* Now deal with the auxillary windows associated with win_info.  */
  /* Now deal with the auxillary windows associated with win_info.  */
  switch (win_info->generic.type)
  switch (win_info->generic.type)
    {
    {
    case SRC_WIN:
    case SRC_WIN:
    case DISASSEM_WIN:
    case DISASSEM_WIN:
      gen_win_info = win_info->detail.source_info.execution_info;
      gen_win_info = win_info->detail.source_info.execution_info;
      tui_make_invisible (gen_win_info);
      tui_make_invisible (gen_win_info);
      gen_win_info->height = height;
      gen_win_info->height = height;
      gen_win_info->origin.y = win_info->generic.origin.y;
      gen_win_info->origin.y = win_info->generic.origin.y;
      if (height > 1)
      if (height > 1)
        gen_win_info->viewport_height = height - 1;
        gen_win_info->viewport_height = height - 1;
      else
      else
        gen_win_info->viewport_height = height;
        gen_win_info->viewport_height = height;
      if (win_info != TUI_CMD_WIN)
      if (win_info != TUI_CMD_WIN)
        gen_win_info->viewport_height--;
        gen_win_info->viewport_height--;
 
 
      if (tui_win_has_locator (win_info))
      if (tui_win_has_locator (win_info))
        {
        {
          gen_win_info = tui_locator_win_info_ptr ();
          gen_win_info = tui_locator_win_info_ptr ();
          tui_make_invisible (gen_win_info);
          tui_make_invisible (gen_win_info);
          gen_win_info->origin.y = win_info->generic.origin.y + height;
          gen_win_info->origin.y = win_info->generic.origin.y + height;
        }
        }
      break;
      break;
    case DATA_WIN:
    case DATA_WIN:
      /* Delete all data item windows.  */
      /* Delete all data item windows.  */
      for (i = 0; i < win_info->generic.content_size; i++)
      for (i = 0; i < win_info->generic.content_size; i++)
        {
        {
          gen_win_info = (struct tui_gen_win_info *) & ((struct tui_win_element *)
          gen_win_info = (struct tui_gen_win_info *) & ((struct tui_win_element *)
                      win_info->generic.content[i])->which_element.data_window;
                      win_info->generic.content[i])->which_element.data_window;
          tui_delete_win (gen_win_info->handle);
          tui_delete_win (gen_win_info->handle);
          gen_win_info->handle = (WINDOW *) NULL;
          gen_win_info->handle = (WINDOW *) NULL;
        }
        }
      break;
      break;
    default:
    default:
      break;
      break;
    }
    }
}
}
 
 
 
 
/* Function to make the windows with new heights visible.  This means
/* Function to make the windows with new heights visible.  This means
   re-creating the windows' content since the window had to be
   re-creating the windows' content since the window had to be
   destroyed to be made invisible.  */
   destroyed to be made invisible.  */
static void
static void
make_visible_with_new_height (struct tui_win_info *win_info)
make_visible_with_new_height (struct tui_win_info *win_info)
{
{
  struct symtab *s;
  struct symtab *s;
 
 
  tui_make_visible (&win_info->generic);
  tui_make_visible (&win_info->generic);
  tui_check_and_display_highlight_if_needed (win_info);
  tui_check_and_display_highlight_if_needed (win_info);
  switch (win_info->generic.type)
  switch (win_info->generic.type)
    {
    {
    case SRC_WIN:
    case SRC_WIN:
    case DISASSEM_WIN:
    case DISASSEM_WIN:
      tui_free_win_content (win_info->detail.source_info.execution_info);
      tui_free_win_content (win_info->detail.source_info.execution_info);
      tui_make_visible (win_info->detail.source_info.execution_info);
      tui_make_visible (win_info->detail.source_info.execution_info);
      if (win_info->generic.content != NULL)
      if (win_info->generic.content != NULL)
        {
        {
          struct gdbarch *gdbarch = win_info->detail.source_info.gdbarch;
          struct gdbarch *gdbarch = win_info->detail.source_info.gdbarch;
          struct tui_line_or_address line_or_addr;
          struct tui_line_or_address line_or_addr;
          struct symtab_and_line cursal
          struct symtab_and_line cursal
            = get_current_source_symtab_and_line ();
            = get_current_source_symtab_and_line ();
 
 
          line_or_addr = win_info->detail.source_info.start_line_or_addr;
          line_or_addr = win_info->detail.source_info.start_line_or_addr;
          tui_free_win_content (&win_info->generic);
          tui_free_win_content (&win_info->generic);
          tui_update_source_window (win_info, gdbarch,
          tui_update_source_window (win_info, gdbarch,
                                    cursal.symtab, line_or_addr, TRUE);
                                    cursal.symtab, line_or_addr, TRUE);
        }
        }
      else if (deprecated_safe_get_selected_frame () != NULL)
      else if (deprecated_safe_get_selected_frame () != NULL)
        {
        {
          struct tui_line_or_address line;
          struct tui_line_or_address line;
          struct symtab_and_line cursal = get_current_source_symtab_and_line ();
          struct symtab_and_line cursal = get_current_source_symtab_and_line ();
          struct frame_info *frame = deprecated_safe_get_selected_frame ();
          struct frame_info *frame = deprecated_safe_get_selected_frame ();
          struct gdbarch *gdbarch = get_frame_arch (frame);
          struct gdbarch *gdbarch = get_frame_arch (frame);
 
 
          s = find_pc_symtab (get_frame_pc (frame));
          s = find_pc_symtab (get_frame_pc (frame));
          if (win_info->generic.type == SRC_WIN)
          if (win_info->generic.type == SRC_WIN)
            {
            {
              line.loa = LOA_LINE;
              line.loa = LOA_LINE;
              line.u.line_no = cursal.line;
              line.u.line_no = cursal.line;
            }
            }
          else
          else
            {
            {
              line.loa = LOA_ADDRESS;
              line.loa = LOA_ADDRESS;
              find_line_pc (s, cursal.line, &line.u.addr);
              find_line_pc (s, cursal.line, &line.u.addr);
            }
            }
          tui_update_source_window (win_info, gdbarch, s, line, TRUE);
          tui_update_source_window (win_info, gdbarch, s, line, TRUE);
        }
        }
      if (tui_win_has_locator (win_info))
      if (tui_win_has_locator (win_info))
        {
        {
          tui_make_visible (tui_locator_win_info_ptr ());
          tui_make_visible (tui_locator_win_info_ptr ());
          tui_show_locator_content ();
          tui_show_locator_content ();
        }
        }
      break;
      break;
    case DATA_WIN:
    case DATA_WIN:
      tui_display_all_data ();
      tui_display_all_data ();
      break;
      break;
    case CMD_WIN:
    case CMD_WIN:
      win_info->detail.command_info.cur_line = 0;
      win_info->detail.command_info.cur_line = 0;
      win_info->detail.command_info.curch = 0;
      win_info->detail.command_info.curch = 0;
      wmove (win_info->generic.handle,
      wmove (win_info->generic.handle,
             win_info->detail.command_info.cur_line,
             win_info->detail.command_info.cur_line,
             win_info->detail.command_info.curch);
             win_info->detail.command_info.curch);
      break;
      break;
    default:
    default:
      break;
      break;
    }
    }
}
}
 
 
 
 
static int
static int
new_height_ok (struct tui_win_info *primary_win_info,
new_height_ok (struct tui_win_info *primary_win_info,
               int new_height)
               int new_height)
{
{
  int ok = (new_height < tui_term_height ());
  int ok = (new_height < tui_term_height ());
 
 
  if (ok)
  if (ok)
    {
    {
      int diff;
      int diff;
      enum tui_layout_type cur_layout = tui_current_layout ();
      enum tui_layout_type cur_layout = tui_current_layout ();
 
 
      diff = (new_height - primary_win_info->generic.height) * (-1);
      diff = (new_height - primary_win_info->generic.height) * (-1);
      if (cur_layout == SRC_COMMAND || cur_layout == DISASSEM_COMMAND)
      if (cur_layout == SRC_COMMAND || cur_layout == DISASSEM_COMMAND)
        {
        {
          ok = ((primary_win_info->generic.type == CMD_WIN
          ok = ((primary_win_info->generic.type == CMD_WIN
                 && new_height <= (tui_term_height () - 4)
                 && new_height <= (tui_term_height () - 4)
                 && new_height >= MIN_CMD_WIN_HEIGHT)
                 && new_height >= MIN_CMD_WIN_HEIGHT)
                || (primary_win_info->generic.type != CMD_WIN
                || (primary_win_info->generic.type != CMD_WIN
                    && new_height <= (tui_term_height () - 2)
                    && new_height <= (tui_term_height () - 2)
                    && new_height >= MIN_WIN_HEIGHT));
                    && new_height >= MIN_WIN_HEIGHT));
          if (ok)
          if (ok)
            {                   /* Check the total height.  */
            {                   /* Check the total height.  */
              struct tui_win_info *win_info;
              struct tui_win_info *win_info;
 
 
              if (primary_win_info == TUI_CMD_WIN)
              if (primary_win_info == TUI_CMD_WIN)
                win_info = (tui_source_windows ())->list[0];
                win_info = (tui_source_windows ())->list[0];
              else
              else
                win_info = TUI_CMD_WIN;
                win_info = TUI_CMD_WIN;
              ok = ((new_height +
              ok = ((new_height +
                     (win_info->generic.height + diff)) <= tui_term_height ());
                     (win_info->generic.height + diff)) <= tui_term_height ());
            }
            }
        }
        }
      else
      else
        {
        {
          int cur_total_height, total_height, min_height = 0;
          int cur_total_height, total_height, min_height = 0;
          struct tui_win_info *first_win;
          struct tui_win_info *first_win;
          struct tui_win_info *second_win;
          struct tui_win_info *second_win;
 
 
          if (cur_layout == SRC_DISASSEM_COMMAND)
          if (cur_layout == SRC_DISASSEM_COMMAND)
            {
            {
              first_win = TUI_SRC_WIN;
              first_win = TUI_SRC_WIN;
              second_win = TUI_DISASM_WIN;
              second_win = TUI_DISASM_WIN;
            }
            }
          else
          else
            {
            {
              first_win = TUI_DATA_WIN;
              first_win = TUI_DATA_WIN;
              second_win = (tui_source_windows ())->list[0];
              second_win = (tui_source_windows ())->list[0];
            }
            }
          /* We could simply add all the heights to obtain the same
          /* We could simply add all the heights to obtain the same
             result but below is more explicit since we subtract 1 for
             result but below is more explicit since we subtract 1 for
             the line that the first and second windows share, and add
             the line that the first and second windows share, and add
             one for the locator.  */
             one for the locator.  */
          total_height = cur_total_height =
          total_height = cur_total_height =
            (first_win->generic.height + second_win->generic.height - 1)
            (first_win->generic.height + second_win->generic.height - 1)
            + TUI_CMD_WIN->generic.height + 1;  /* Locator. */
            + TUI_CMD_WIN->generic.height + 1;  /* Locator. */
          if (primary_win_info == TUI_CMD_WIN)
          if (primary_win_info == TUI_CMD_WIN)
            {
            {
              /* Locator included since first & second win share a line.  */
              /* Locator included since first & second win share a line.  */
              ok = ((first_win->generic.height +
              ok = ((first_win->generic.height +
                     second_win->generic.height + diff) >=
                     second_win->generic.height + diff) >=
                    (MIN_WIN_HEIGHT * 2)
                    (MIN_WIN_HEIGHT * 2)
                    && new_height >= MIN_CMD_WIN_HEIGHT);
                    && new_height >= MIN_CMD_WIN_HEIGHT);
              if (ok)
              if (ok)
                {
                {
                  total_height = new_height +
                  total_height = new_height +
                    (first_win->generic.height +
                    (first_win->generic.height +
                     second_win->generic.height + diff);
                     second_win->generic.height + diff);
                  min_height = MIN_CMD_WIN_HEIGHT;
                  min_height = MIN_CMD_WIN_HEIGHT;
                }
                }
            }
            }
          else
          else
            {
            {
              min_height = MIN_WIN_HEIGHT;
              min_height = MIN_WIN_HEIGHT;
 
 
              /* First see if we can increase/decrease the command
              /* First see if we can increase/decrease the command
                 window.  And make sure that the command window is at
                 window.  And make sure that the command window is at
                 least 1 line.  */
                 least 1 line.  */
              ok = ((TUI_CMD_WIN->generic.height + diff) > 0);
              ok = ((TUI_CMD_WIN->generic.height + diff) > 0);
              if (!ok)
              if (!ok)
                { /* Looks like we have to increase/decrease one of
                { /* Looks like we have to increase/decrease one of
                     the other windows.  */
                     the other windows.  */
                  if (primary_win_info == first_win)
                  if (primary_win_info == first_win)
                    ok = (second_win->generic.height + diff) >= min_height;
                    ok = (second_win->generic.height + diff) >= min_height;
                  else
                  else
                    ok = (first_win->generic.height + diff) >= min_height;
                    ok = (first_win->generic.height + diff) >= min_height;
                }
                }
              if (ok)
              if (ok)
                {
                {
                  if (primary_win_info == first_win)
                  if (primary_win_info == first_win)
                    total_height = new_height +
                    total_height = new_height +
                      second_win->generic.height +
                      second_win->generic.height +
                      TUI_CMD_WIN->generic.height + diff;
                      TUI_CMD_WIN->generic.height + diff;
                  else
                  else
                    total_height = new_height +
                    total_height = new_height +
                      first_win->generic.height +
                      first_win->generic.height +
                      TUI_CMD_WIN->generic.height + diff;
                      TUI_CMD_WIN->generic.height + diff;
                }
                }
            }
            }
          /* Now make sure that the proposed total height doesn't
          /* Now make sure that the proposed total height doesn't
             exceed the old total height.  */
             exceed the old total height.  */
          if (ok)
          if (ok)
            ok = (new_height >= min_height
            ok = (new_height >= min_height
                  && total_height <= cur_total_height);
                  && total_height <= cur_total_height);
        }
        }
    }
    }
 
 
  return ok;
  return ok;
}
}
 
 
 
 
static void
static void
parse_scrolling_args (char *arg,
parse_scrolling_args (char *arg,
                      struct tui_win_info **win_to_scroll,
                      struct tui_win_info **win_to_scroll,
                      int *num_to_scroll)
                      int *num_to_scroll)
{
{
  if (num_to_scroll)
  if (num_to_scroll)
    *num_to_scroll = 0;
    *num_to_scroll = 0;
  *win_to_scroll = tui_win_with_focus ();
  *win_to_scroll = tui_win_with_focus ();
 
 
  /* First set up the default window to scroll, in case there is no
  /* First set up the default window to scroll, in case there is no
     window name arg.  */
     window name arg.  */
  if (arg != (char *) NULL)
  if (arg != (char *) NULL)
    {
    {
      char *buf, *buf_ptr;
      char *buf, *buf_ptr;
 
 
      /* Process the number of lines to scroll.  */
      /* Process the number of lines to scroll.  */
      buf = buf_ptr = xstrdup (arg);
      buf = buf_ptr = xstrdup (arg);
      if (isdigit (*buf_ptr))
      if (isdigit (*buf_ptr))
        {
        {
          char *num_str;
          char *num_str;
 
 
          num_str = buf_ptr;
          num_str = buf_ptr;
          buf_ptr = strchr (buf_ptr, ' ');
          buf_ptr = strchr (buf_ptr, ' ');
          if (buf_ptr != (char *) NULL)
          if (buf_ptr != (char *) NULL)
            {
            {
              *buf_ptr = (char) 0;
              *buf_ptr = (char) 0;
              if (num_to_scroll)
              if (num_to_scroll)
                *num_to_scroll = atoi (num_str);
                *num_to_scroll = atoi (num_str);
              buf_ptr++;
              buf_ptr++;
            }
            }
          else if (num_to_scroll)
          else if (num_to_scroll)
            *num_to_scroll = atoi (num_str);
            *num_to_scroll = atoi (num_str);
        }
        }
 
 
      /* Process the window name if one is specified.  */
      /* Process the window name if one is specified.  */
      if (buf_ptr != (char *) NULL)
      if (buf_ptr != (char *) NULL)
        {
        {
          char *wname;
          char *wname;
          int i;
          int i;
 
 
          if (*buf_ptr == ' ')
          if (*buf_ptr == ' ')
            while (*(++buf_ptr) == ' ')
            while (*(++buf_ptr) == ' ')
              ;
              ;
 
 
          if (*buf_ptr != (char) 0)
          if (*buf_ptr != (char) 0)
            wname = buf_ptr;
            wname = buf_ptr;
          else
          else
            wname = "?";
            wname = "?";
 
 
          /* Validate the window name.  */
          /* Validate the window name.  */
          for (i = 0; i < strlen (wname); i++)
          for (i = 0; i < strlen (wname); i++)
            wname[i] = toupper (wname[i]);
            wname[i] = toupper (wname[i]);
          *win_to_scroll = tui_partial_win_by_name (wname);
          *win_to_scroll = tui_partial_win_by_name (wname);
 
 
          if (*win_to_scroll == (struct tui_win_info *) NULL
          if (*win_to_scroll == (struct tui_win_info *) NULL
              || !(*win_to_scroll)->generic.is_visible)
              || !(*win_to_scroll)->generic.is_visible)
            error (_("Invalid window specified. \n\
            error (_("Invalid window specified. \n\
The window name specified must be valid and visible.\n"));
The window name specified must be valid and visible.\n"));
          else if (*win_to_scroll == TUI_CMD_WIN)
          else if (*win_to_scroll == TUI_CMD_WIN)
            *win_to_scroll = (tui_source_windows ())->list[0];
            *win_to_scroll = (tui_source_windows ())->list[0];
        }
        }
      xfree (buf);
      xfree (buf);
    }
    }
}
}
 
 

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