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/* TUI data manipulation routines.

   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2006, 2007, 2008

   Free Software Foundation, Inc.

   Contributed by Hewlett-Packard Company.

   This file is part of GDB.

   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

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#ifndef TUI_DATA_H

#define TUI_DATA_H

#include "tui/tui.h"    /* For enum tui_win_type.  */

#include "gdb_curses.h" /* For WINDOW.  */

/* This is a point definition.  */

struct tui_point

{

  int x, y;

};

/* Generic window information.  */

struct tui_gen_win_info

{

  WINDOW *handle;           /* Window handle.  */

  enum tui_win_type type;   /* Type of window.  */

  int width;                /* Window width.  */

  int height;               /* Window height.  */

  struct tui_point origin;  /* Origin of window.  */

  void **content;           /* Content of window.  */

  int content_size;         /* Size of content (# of elements).  */

  int content_in_use;       /* Can it be used, or is it already used?  */

  int viewport_height;      /* Viewport height.  */

  int last_visible_line;    /* Index of last visible line.  */

  int is_visible;           /* Whether the window is visible or not.  */

  char *title;              /* Window title to display.  */

};

/* Constant definitions.  */

#define DEFAULT_TAB_LEN         8

#define NO_SRC_STRING           "[ No Source Available ]"

#define NO_DISASSEM_STRING      "[ No Assembly Available ]"

#define NO_REGS_STRING          "[ Register Values Unavailable ]"

#define NO_DATA_STRING          "[ No Data Values Displayed ]"

#define MAX_CONTENT_COUNT       100

#define SRC_NAME                "SRC"

#define CMD_NAME                "CMD"

#define DATA_NAME               "REGS"

#define DISASSEM_NAME           "ASM"

#define TUI_NULL_STR            ""

#define DEFAULT_HISTORY_COUNT   25

#define BOX_WINDOW              TRUE

#define DONT_BOX_WINDOW         FALSE

#define HILITE                  TRUE

#define NO_HILITE               FALSE

#define WITH_LOCATOR            TRUE

#define NO_LOCATOR              FALSE

#define EMPTY_SOURCE_PROMPT     TRUE

#define NO_EMPTY_SOURCE_PROMPT  FALSE

#define UNDEFINED_ITEM          -1

#define MIN_WIN_HEIGHT          3

#define MIN_CMD_WIN_HEIGHT      3

/* Strings to display in the TUI status line.  */

#define PROC_PREFIX             "In: "

#define LINE_PREFIX             "Line: "

#define PC_PREFIX               "PC: "

#define SINGLE_KEY              "(SingleKey)"

/* Minimum/Maximum length of some fields displayed in the TUI status

   line.  */

#define MIN_LINE_WIDTH     4    /* Use at least 4 digits for line

                                   numbers.  */

#define MIN_PROC_WIDTH    12

#define MAX_TARGET_WIDTH  10

#define MAX_PID_WIDTH     14

#define TUI_FLOAT_REGS_NAME                  "$FREGS"

#define TUI_FLOAT_REGS_NAME_LOWER            "$fregs"

#define TUI_GENERAL_REGS_NAME                "$GREGS"

#define TUI_GENERAL_REGS_NAME_LOWER          "$gregs"

#define TUI_SPECIAL_REGS_NAME                "$SREGS"

#define TUI_SPECIAL_REGS_NAME_LOWER          "$sregs"

#define TUI_GENERAL_SPECIAL_REGS_NAME        "$REGS"

#define TUI_GENERAL_SPECIAL_REGS_NAME_LOWER  "$regs"

/* Scroll direction enum.  */

enum tui_scroll_direction

{

  FORWARD_SCROLL,

  BACKWARD_SCROLL,

  LEFT_SCROLL,

  RIGHT_SCROLL

};

/* General list struct.  */

struct tui_list

{

  struct tui_win_info **list;

  int count;

};

/* The kinds of layouts available.  */

enum tui_layout_type

{

  SRC_COMMAND,

  DISASSEM_COMMAND,

  SRC_DISASSEM_COMMAND,

  SRC_DATA_COMMAND,

  DISASSEM_DATA_COMMAND,

  UNDEFINED_LAYOUT

};

/* Basic data types that can be displayed in the data window.  */

enum tui_data_type

{

  TUI_REGISTER,

  TUI_SCALAR,

  TUI_COMPLEX,

  TUI_STRUCT

};

/* Types of register displays.  */

enum tui_register_display_type

{

  TUI_UNDEFINED_REGS,

  TUI_GENERAL_REGS,

  TUI_SFLOAT_REGS,

  TUI_DFLOAT_REGS,

  TUI_SPECIAL_REGS,

  TUI_GENERAL_AND_SPECIAL_REGS

};

/* Structure describing source line or line address.  */

struct tui_line_or_address

{

  enum { LOA_LINE, LOA_ADDRESS } loa;

  union

    {

      int line_no;

      CORE_ADDR addr;

    } u;

};

/* Current Layout definition.  */

struct tui_layout_def

{

  enum tui_win_type display_mode;

  int split;

  enum tui_register_display_type regs_display_type;

  enum tui_register_display_type float_regs_display_type;

};

/* Elements in the Source/Disassembly Window.  */

struct tui_source_element

{

  char *line;

  struct tui_line_or_address line_or_addr;

  int is_exec_point;

  int has_break;

};

/* Elements in the data display window content.  */

struct tui_data_element

{

  const char *name;

  int item_no;          /* The register number, or data display

                           number.  */

  enum tui_data_type type;

  void *value;

  int highlight;

  char *content;

};

/* Elements in the command window content.  */

struct tui_command_element

{

  char *line;

};

#ifdef PATH_MAX

# define MAX_LOCATOR_ELEMENT_LEN        PATH_MAX

#else

# define MAX_LOCATOR_ELEMENT_LEN        1024

#endif

/* Elements in the locator window content.  */

struct tui_locator_element

{

  char file_name[MAX_LOCATOR_ELEMENT_LEN];

  char proc_name[MAX_LOCATOR_ELEMENT_LEN];

  int line_no;

  CORE_ADDR addr;

};

/* Flags to tell what kind of breakpoint is at current line.  */

#define TUI_BP_ENABLED      0x01

#define TUI_BP_DISABLED     0x02

#define TUI_BP_HIT          0x04

#define TUI_BP_CONDITIONAL  0x08

#define TUI_BP_HARDWARE     0x10

/* Position of breakpoint markers in the exec info string.  */

#define TUI_BP_HIT_POS      0

#define TUI_BP_BREAK_POS    1

#define TUI_EXEC_POS        2

#define TUI_EXECINFO_SIZE   4

typedef char tui_exec_info_content[TUI_EXECINFO_SIZE];

/* An content element in a window.  */

union tui_which_element

{

  struct tui_source_element source;     /* The source elements.  */

  struct tui_gen_win_info data_window;  /* Data display elements.  */

  struct tui_data_element data;         /* Elements of data_window.  */

  struct tui_command_element command;   /* Command elements.  */

  struct tui_locator_element locator;   /* Locator elements.  */

  tui_exec_info_content simple_string;  /* Simple char based elements.  */

};

struct tui_win_element

{

  int highlight;

  union tui_which_element which_element;

};

/* This describes the content of the window.  */

typedef struct tui_win_element **tui_win_content;

/* This struct defines the specific information about a data display

   window.  */

struct tui_data_info

{

  tui_win_content data_content; /* Start of data display content.  */

  int data_content_count;

  tui_win_content regs_content; /* Start of regs display content.  */

  int regs_content_count;

  enum tui_register_display_type regs_display_type;

  int regs_column_count;

  int display_regs;             /* Should regs be displayed at all?  */

  struct reggroup *current_group;

};

struct tui_source_info

{

  int has_locator;              /* Does locator belongs to this window?  */

  /* Execution information window.  */

  struct tui_gen_win_info *execution_info;

  int horizontal_offset;        /* Used for horizontal scroll.  */

  struct tui_line_or_address start_line_or_addr;

  char *filename;

};

struct tui_command_info

{

  int cur_line;                 /* The current line position.  */

  int curch;                    /* The current cursor position.  */

  int start_line;

};

/* This defines information about each logical window.  */

struct tui_win_info

{

  struct tui_gen_win_info generic;      /* General window information.  */

  union

  {

    struct tui_source_info source_info;

    struct tui_data_info data_display_info;

    struct tui_command_info command_info;

    void *opaque;

  }

  detail;

  int can_highlight;    /* Can this window ever be highlighted?  */

  int is_highlighted;   /* Is this window highlighted?  */

};

extern int tui_win_is_source_type (enum tui_win_type win_type);

extern int tui_win_is_auxillary (enum tui_win_type win_type);

extern int tui_win_has_locator (struct tui_win_info *win_info);

extern void tui_set_win_highlight (struct tui_win_info *win_info,

                                   int highlight);

/* Global Data.  */

extern struct tui_win_info *(tui_win_list[MAX_MAJOR_WINDOWS]);

#define TUI_SRC_WIN     tui_win_list[SRC_WIN]

#define TUI_DISASM_WIN  tui_win_list[DISASSEM_WIN]

#define TUI_DATA_WIN    tui_win_list[DATA_WIN]

#define TUI_CMD_WIN     tui_win_list[CMD_WIN]

/* Data Manipulation Functions.  */

extern void tui_initialize_static_data (void);

extern struct tui_gen_win_info *tui_alloc_generic_win_info (void);

extern struct tui_win_info *tui_alloc_win_info (enum tui_win_type);

extern void tui_init_generic_part (struct tui_gen_win_info *);

extern void tui_init_win_info (struct tui_win_info *);

extern tui_win_content tui_alloc_content (int, enum tui_win_type);

extern int tui_add_content_elements (struct tui_gen_win_info *,

                                     int);

extern void tui_init_content_element (struct tui_win_element *,

                                      enum tui_win_type);

extern void tui_free_window (struct tui_win_info *);

extern void tui_free_win_content (struct tui_gen_win_info *);

extern void tui_free_data_content (tui_win_content, int);

extern void tui_free_all_source_wins_content (void);

extern void tui_del_window (struct tui_win_info *);

extern void tui_del_data_windows (tui_win_content, int);

extern struct tui_win_info *tui_partial_win_by_name (char *);

extern char *tui_win_name (struct tui_gen_win_info *);

extern enum tui_layout_type tui_current_layout (void);

extern void tui_set_current_layout_to (enum tui_layout_type);

extern int tui_term_height (void);

extern void tui_set_term_height_to (int);

extern int tui_term_width (void);

extern void tui_set_term_width_to (int);

extern void tui_set_gen_win_origin (struct tui_gen_win_info *,

                                    int, int);

extern struct tui_gen_win_info *tui_locator_win_info_ptr (void);

extern struct tui_gen_win_info *tui_source_exec_info_win_ptr (void);

extern struct tui_gen_win_info *tui_disassem_exec_info_win_ptr (void);

extern struct tui_list *tui_source_windows (void);

extern void tui_clear_source_windows (void);

extern void tui_clear_source_windows_detail (void);

extern void tui_clear_win_detail (struct tui_win_info *);

extern void tui_add_to_source_windows (struct tui_win_info *);

extern int tui_default_tab_len (void);

extern void tui_set_default_tab_len (int);

extern struct tui_win_info *tui_win_with_focus (void);

extern void tui_set_win_with_focus (struct tui_win_info *);

extern struct tui_layout_def *tui_layout_def (void);

extern int tui_win_resized (void);

extern void tui_set_win_resized_to (int);

extern struct tui_win_info *tui_next_win (struct tui_win_info *);

extern struct tui_win_info *tui_prev_win (struct tui_win_info *);

extern void tui_add_to_source_windows (struct tui_win_info *);

#endif /* TUI_DATA_H */