[deliverable/binutils-gdb.git] / gdb / tui / tui-data.h

/* TUI data manipulation routines.

   Copyright (C) 1998-2019 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_TUI_DATA_H
#define TUI_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;
};

struct tui_win_element;

/* This describes the content of the window.  */
typedef struct tui_win_element **tui_win_content;

/* 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.  */
  tui_win_content 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.  */
  bool 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             "L"
#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     19

/* Scroll direction enum.  */
enum tui_scroll_direction
{
  FORWARD_SCROLL,
  BACKWARD_SCROLL,
  LEFT_SCROLL,
  RIGHT_SCROLL
};


/* 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
};

enum tui_line_or_address_kind
{
  LOA_LINE,
  LOA_ADDRESS
};

/* Structure describing source line or line address.  */
struct tui_line_or_address
{
  enum tui_line_or_address_kind loa;
  union
    {
      int line_no;
      CORE_ADDR addr;
    } u;
};

/* Current Layout definition.  */
struct tui_layout_def
{
  enum tui_win_type display_mode;
  int split;
};

/* 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
{
  /* Resolved absolute filename as returned by symtab_to_fullname.  */
  char full_name[MAX_LOCATOR_ELEMENT_LEN];
  char proc_name[MAX_LOCATOR_ELEMENT_LEN];
  int line_no;
  CORE_ADDR addr;
  /* Architecture associated with code at this location.  */
  struct gdbarch *gdbarch;
};

/* 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
{
  union tui_which_element which_element;
};

/* This defines information about each logical window.  */
struct tui_win_info
{
protected:

  explicit tui_win_info (enum tui_win_type type);
  DISABLE_COPY_AND_ASSIGN (tui_win_info);

  /* Scroll the contents vertically.  This is only called via
     forward_scroll and backward_scroll.  */
  virtual void do_scroll_vertical (enum tui_scroll_direction,
				   int num_to_scroll) = 0;

  /* Scroll the contents horizontally.  This is only called via
     left_scroll and right_scroll.  */
  virtual void do_scroll_horizontal (enum tui_scroll_direction,
				     int num_to_scroll) = 0;

public:

  virtual ~tui_win_info ();

  /* Clear the pertinent detail in the window.  */
  virtual void clear_detail () = 0;

  /* Return true if this window has the locator.  */
  virtual bool has_locator () const
  {
    return false;
  }

  /* Make this window visible or invisible.  */
  virtual void make_visible (bool visible);

  /* Refresh this window and any associated windows.  */
  virtual void refresh ();

  /* Methods to scroll the contents of this window.  Note that they
     are named with "_scroll" coming at the end because the more
     obvious "scroll_forward" is defined as a macro in term.h.  */
  void forward_scroll (int num_to_scroll);
  void backward_scroll (int num_to_scroll);
  void left_scroll (int num_to_scroll);
  void right_scroll (int num_to_scroll);

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

  /* Can this window ever be highlighted?  */
  int can_highlight = 0;

  /* Is this window highlighted?  */
  int is_highlighted = 0;
};

/* The base class for all source-like windows, namely the source and
   disassembly windows.  */

struct tui_source_window_base : public tui_win_info
{
protected:
  explicit tui_source_window_base (enum tui_win_type type);
  ~tui_source_window_base () override;
  DISABLE_COPY_AND_ASSIGN (tui_source_window_base);

  void do_scroll_horizontal (enum tui_scroll_direction,
			     int num_to_scroll) override;

public:

  void clear_detail () override;

  /* Return true if this window has the locator.  */
  bool has_locator () const override
  {
    return m_has_locator;
  }

  void make_visible (bool visible) override;
  void refresh () override;

  /* Refill the source window's source cache and update it.  If this
     is a disassembly window, then just update it.  */
  void refill ();

  /* Set the location of the execution point.  */
  void set_is_exec_point_at (struct tui_line_or_address l);

  /* Does the locator belong to this window?  */
  bool m_has_locator = false;
  /* Execution information window.  */
  struct tui_gen_win_info *execution_info = nullptr;
  /* Used for horizontal scroll.  */
  int horizontal_offset = 0;
  struct tui_line_or_address start_line_or_addr;

  /* It is the resolved form as returned by symtab_to_fullname.  */
  char *fullname = nullptr;

  /* Architecture associated with code at this location.  */
  struct gdbarch *gdbarch = nullptr;
};

/* A TUI source window.  */

struct tui_source_window : public tui_source_window_base
{
  tui_source_window ()
    : tui_source_window_base (SRC_WIN)
  {
  }

  DISABLE_COPY_AND_ASSIGN (tui_source_window);

protected:

  void do_scroll_vertical (enum tui_scroll_direction,
			   int num_to_scroll) override;
};

/* A TUI disassembly window.  */

struct tui_disasm_window : public tui_source_window_base
{
  tui_disasm_window ()
    : tui_source_window_base (DISASSEM_WIN)
  {
  }

  DISABLE_COPY_AND_ASSIGN (tui_disasm_window);

protected:

  void do_scroll_vertical (enum tui_scroll_direction,
			   int num_to_scroll) override;
};

struct tui_data_window : public tui_win_info
{
  tui_data_window ()
    : tui_win_info (DATA_WIN)
  {
  }

  ~tui_data_window () override;
  DISABLE_COPY_AND_ASSIGN (tui_data_window);

  void clear_detail () override;

  /* Start of data display content.  */
  tui_win_content data_content = NULL;
  int data_content_count = 0;
  /* Start of regs display content.  */
  tui_win_content regs_content = NULL;
  int regs_content_count = 0;
  int regs_column_count = 0;
  /* Should regs be displayed at all?  */
  bool display_regs = false;
  struct reggroup *current_group = nullptr;

protected:

  void do_scroll_vertical (enum tui_scroll_direction,
			   int num_to_scroll) override;
  void do_scroll_horizontal (enum tui_scroll_direction,
			     int num_to_scroll) override
  {
  }
};

struct tui_cmd_window : public tui_win_info
{
  tui_cmd_window ()
    : tui_win_info (CMD_WIN)
  {
  }

  DISABLE_COPY_AND_ASSIGN (tui_cmd_window);

  void clear_detail () override;

  void make_visible (bool visible) override
  {
  }

  int start_line = 0;

protected:

  void do_scroll_vertical (enum tui_scroll_direction,
			   int num_to_scroll) override
  {
  }

  void do_scroll_horizontal (enum tui_scroll_direction,
			     int num_to_scroll) override
  {
  }
};

extern int tui_win_is_auxillary (enum tui_win_type win_type);
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_source_window_base *) tui_win_list[SRC_WIN])
#define TUI_DISASM_WIN	((tui_source_window_base *) tui_win_list[DISASSEM_WIN])
#define TUI_DATA_WIN    ((tui_data_window *) tui_win_list[DATA_WIN])
#define TUI_CMD_WIN     ((tui_cmd_window *) 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 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_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 struct tui_win_info *tui_partial_win_by_name (const char *);
extern const char *tui_win_name (const 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 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 std::vector<tui_source_window_base *> &tui_source_windows ();
extern void tui_clear_source_windows (void);
extern void tui_clear_source_windows_detail (void);
extern void tui_add_to_source_windows (struct tui_source_window_base *);
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 unsigned int tui_tab_width;

#endif /* TUI_TUI_DATA_H */
Commit	Line	Data
f377b406	1	/* TUI data manipulation routines.
55fb0713	2
42a4f53d	3	Copyright (C) 1998-2019 Free Software Foundation, Inc.
55fb0713	4
f377b406 SC	5	Contributed by Hewlett-Packard Company.
	6
	7	This file is part of GDB.
	8
	9	This program is free software; you can redistribute it and/or modify
	10	it under the terms of the GNU General Public License as published by
a9762ec7	11	the Free Software Foundation; either version 3 of the License, or
f377b406 SC	12	(at your option) any later version.
	13
	14	This program is distributed in the hope that it will be useful,
	15	but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	GNU General Public License for more details.
	18
	19	You should have received a copy of the GNU General Public License
a9762ec7	20	along with this program. If not, see <http://www.gnu.org/licenses/>. */
f377b406	21
1a5c2598 TT	22	#ifndef TUI_TUI_DATA_H
1a5c2598 TT	23	#define TUI_TUI_DATA_H
c906108c	24
6a83354a AC	25	#include "tui/tui.h" /* For enum tui_win_type. */
	26	#include "gdb_curses.h" /* For WINDOW. */
	27
	28	/* This is a point definition. */
	29	struct tui_point
	30	{
	31	int x, y;
	32	};
2a5127c4	33
63ed8182 PP	34	struct tui_win_element;
	35
	36	/* This describes the content of the window. */
	37	typedef struct tui_win_element **tui_win_content;
	38
1cc6d956	39	/* Generic window information. */
2a8854a7 AC	40	struct tui_gen_win_info
2a8854a7 AC	41	{
08ef48c5 MS	42	WINDOW handle; / Window handle. */
	43	enum tui_win_type type; /* Type of window. */
	44	int width; /* Window width. */
	45	int height; /* Window height. */
	46	struct tui_point origin; /* Origin of window. */
63ed8182	47	tui_win_content content; /* Content of window. */
08ef48c5 MS	48	int content_size; /* Size of content (# of elements). */
	49	int content_in_use; /* Can it be used, or is it already used? */
	50	int viewport_height; /* Viewport height. */
	51	int last_visible_line; /* Index of last visible line. */
56122977	52	bool is_visible; /* Whether the window is visible or not. */
08ef48c5	53	char title; / Window title to display. */
2a8854a7	54	};
2a5127c4	55
1cc6d956	56	/* Constant definitions. */
08ef48c5 MS	57	#define DEFAULT_TAB_LEN 8
	58	#define NO_SRC_STRING "[ No Source Available ]"
	59	#define NO_DISASSEM_STRING "[ No Assembly Available ]"
	60	#define NO_REGS_STRING "[ Register Values Unavailable ]"
	61	#define NO_DATA_STRING "[ No Data Values Displayed ]"
	62	#define MAX_CONTENT_COUNT 100
6dce28e4 AB	63	#define SRC_NAME "src"
	64	#define CMD_NAME "cmd"
	65	#define DATA_NAME "regs"
	66	#define DISASSEM_NAME "asm"
08ef48c5 MS	67	#define TUI_NULL_STR ""
	68	#define DEFAULT_HISTORY_COUNT 25
	69	#define BOX_WINDOW TRUE
	70	#define DONT_BOX_WINDOW FALSE
	71	#define HILITE TRUE
	72	#define NO_HILITE FALSE
	73	#define WITH_LOCATOR TRUE
	74	#define NO_LOCATOR FALSE
	75	#define EMPTY_SOURCE_PROMPT TRUE
	76	#define NO_EMPTY_SOURCE_PROMPT FALSE
	77	#define UNDEFINED_ITEM -1
	78	#define MIN_WIN_HEIGHT 3
	79	#define MIN_CMD_WIN_HEIGHT 3
c906108c	80
50265402	81	/* Strings to display in the TUI status line. */
08ef48c5	82	#define PROC_PREFIX "In: "
9f2850ba	83	#define LINE_PREFIX "L"
08ef48c5 MS	84	#define PC_PREFIX "PC: "
08ef48c5 MS	85	#define SINGLE_KEY "(SingleKey)"
50265402	86
1cc6d956 MS	87	/* Minimum/Maximum length of some fields displayed in the TUI status
	88	line. */
	89	#define MIN_LINE_WIDTH 4 /* Use at least 4 digits for line
	90	numbers. */
50265402 SC	91	#define MIN_PROC_WIDTH 12
50265402 SC	92	#define MAX_TARGET_WIDTH 10
9f2850ba	93	#define MAX_PID_WIDTH 19
c906108c	94
2a8854a7 AC	95	/* Scroll direction enum. */
	96	enum tui_scroll_direction
	97	{
	98	FORWARD_SCROLL,
	99	BACKWARD_SCROLL,
	100	LEFT_SCROLL,
	101	RIGHT_SCROLL
	102	};
c906108c SS	103
c906108c SS	104
1cc6d956	105	/* The kinds of layouts available. */
2a8854a7 AC	106	enum tui_layout_type
	107	{
	108	SRC_COMMAND,
	109	DISASSEM_COMMAND,
	110	SRC_DISASSEM_COMMAND,
	111	SRC_DATA_COMMAND,
	112	DISASSEM_DATA_COMMAND,
	113	UNDEFINED_LAYOUT
	114	};
c906108c	115
1cc6d956	116	/* Basic data types that can be displayed in the data window. */
2a8854a7 AC	117	enum tui_data_type
	118	{
	119	TUI_REGISTER,
	120	TUI_SCALAR,
	121	TUI_COMPLEX,
	122	TUI_STRUCT
	123	};
c906108c	124
52059ffd TT	125	enum tui_line_or_address_kind
	126	{
	127	LOA_LINE,
	128	LOA_ADDRESS
	129	};
	130
1cc6d956	131	/* Structure describing source line or line address. */
362c05fe	132	struct tui_line_or_address
2a8854a7	133	{
52059ffd	134	enum tui_line_or_address_kind loa;
362c05fe AS	135	union
	136	{
	137	int line_no;
	138	CORE_ADDR addr;
	139	} u;
2a8854a7	140	};
c906108c	141
1cc6d956	142	/* Current Layout definition. */
2a8854a7 AC	143	struct tui_layout_def
2a8854a7 AC	144	{
6d012f14	145	enum tui_win_type display_mode;
2a8854a7	146	int split;
2a8854a7	147	};
c906108c	148
1cc6d956	149	/* Elements in the Source/Disassembly Window. */
2a8854a7 AC	150	struct tui_source_element
	151	{
	152	char *line;
362c05fe	153	struct tui_line_or_address line_or_addr;
6d012f14 AC	154	int is_exec_point;
6d012f14 AC	155	int has_break;
2a8854a7	156	};
c906108c SS	157
c906108c SS	158
1cc6d956	159	/* Elements in the data display window content. */
2a8854a7 AC	160	struct tui_data_element
	161	{
	162	const char *name;
08ef48c5 MS	163	int item_no; /* The register number, or data display
08ef48c5 MS	164	number. */
2a8854a7	165	enum tui_data_type type;
22940a24	166	void *value;
2a8854a7	167	int highlight;
10f59415	168	char *content;
2a8854a7	169	};
c906108c SS	170
c906108c SS	171
1cc6d956	172	/* Elements in the command window content. */
2a8854a7 AC	173	struct tui_command_element
	174	{
	175	char *line;
	176	};
c906108c	177
2d42f9a8 JB	178	#ifdef PATH_MAX
	179	# define MAX_LOCATOR_ELEMENT_LEN PATH_MAX
	180	#else
	181	# define MAX_LOCATOR_ELEMENT_LEN 1024
	182	#endif
c906108c	183
1cc6d956	184	/* Elements in the locator window content. */
2a8854a7 AC	185	struct tui_locator_element
2a8854a7 AC	186	{
56d397a3 JK	187	/* Resolved absolute filename as returned by symtab_to_fullname. */
56d397a3 JK	188	char full_name[MAX_LOCATOR_ELEMENT_LEN];
6d012f14 AC	189	char proc_name[MAX_LOCATOR_ELEMENT_LEN];
6d012f14 AC	190	int line_no;
2a8854a7	191	CORE_ADDR addr;
13274fc3 UW	192	/* Architecture associated with code at this location. */
13274fc3 UW	193	struct gdbarch *gdbarch;
2a8854a7	194	};
c906108c	195
00b2bad4 SC	196	/* Flags to tell what kind of breakpoint is at current line. */
	197	#define TUI_BP_ENABLED 0x01
	198	#define TUI_BP_DISABLED 0x02
	199	#define TUI_BP_HIT 0x04
	200	#define TUI_BP_CONDITIONAL 0x08
	201	#define TUI_BP_HARDWARE 0x10
	202
	203	/* Position of breakpoint markers in the exec info string. */
	204	#define TUI_BP_HIT_POS 0
	205	#define TUI_BP_BREAK_POS 1
	206	#define TUI_EXEC_POS 2
	207	#define TUI_EXECINFO_SIZE 4
	208
2a8854a7	209	typedef char tui_exec_info_content[TUI_EXECINFO_SIZE];
c906108c	210
1cc6d956	211	/* An content element in a window. */
2a8854a7 AC	212	union tui_which_element
2a8854a7 AC	213	{
1cc6d956 MS	214	struct tui_source_element source; /* The source elements. */
	215	struct tui_gen_win_info data_window; /* Data display elements. */
	216	struct tui_data_element data; /* Elements of data_window. */
	217	struct tui_command_element command; /* Command elements. */
	218	struct tui_locator_element locator; /* Locator elements. */
	219	tui_exec_info_content simple_string; /* Simple char based elements. */
2a8854a7 AC	220	};
	221
	222	struct tui_win_element
	223	{
6d012f14	224	union tui_which_element which_element;
2a8854a7	225	};
c906108c	226
1cc6d956	227	/* This defines information about each logical window. */
2a8854a7 AC	228	struct tui_win_info
2a8854a7 AC	229	{
33b906ab	230	protected:
e7e11af4	231
33b906ab	232	explicit tui_win_info (enum tui_win_type type);
6792b55e TT	233	DISABLE_COPY_AND_ASSIGN (tui_win_info);
6792b55e TT	234
13446e05 TT	235	/* Scroll the contents vertically. This is only called via
	236	forward_scroll and backward_scroll. */
	237	virtual void do_scroll_vertical (enum tui_scroll_direction,
	238	int num_to_scroll) = 0;
	239
	240	/* Scroll the contents horizontally. This is only called via
	241	left_scroll and right_scroll. */
	242	virtual void do_scroll_horizontal (enum tui_scroll_direction,
	243	int num_to_scroll) = 0;
	244
33b906ab TT	245	public:
	246
	247	virtual ~tui_win_info ();
	248
8761a91b TT	249	/* Clear the pertinent detail in the window. */
	250	virtual void clear_detail () = 0;
	251
44f0e208 TT	252	/* Return true if this window has the locator. */
	253	virtual bool has_locator () const
	254	{
	255	return false;
	256	}
	257
cda37efb	258	/* Make this window visible or invisible. */
56122977	259	virtual void make_visible (bool visible);
cda37efb	260
2042b506 TT	261	/* Refresh this window and any associated windows. */
	262	virtual void refresh ();
	263
13446e05 TT	264	/* Methods to scroll the contents of this window. Note that they
	265	are named with "_scroll" coming at the end because the more
	266	obvious "scroll_forward" is defined as a macro in term.h. */
	267	void forward_scroll (int num_to_scroll);
	268	void backward_scroll (int num_to_scroll);
	269	void left_scroll (int num_to_scroll);
	270	void right_scroll (int num_to_scroll);
	271
1cc6d956	272	struct tui_gen_win_info generic; /* General window information. */
33b906ab TT	273
	274	/* Can this window ever be highlighted? */
	275	int can_highlight = 0;
	276
	277	/* Is this window highlighted? */
	278	int is_highlighted = 0;
	279	};
	280
5cf82909 TT	281	/* The base class for all source-like windows, namely the source and
	282	disassembly windows. */
	283
	284	struct tui_source_window_base : public tui_win_info
33b906ab	285	{
5cf82909 TT	286	protected:
	287	explicit tui_source_window_base (enum tui_win_type type);
	288	~tui_source_window_base () override;
	289	DISABLE_COPY_AND_ASSIGN (tui_source_window_base);
	290
13446e05 TT	291	void do_scroll_horizontal (enum tui_scroll_direction,
	292	int num_to_scroll) override;
	293
5cf82909	294	public:
8761a91b TT	295
8761a91b TT	296	void clear_detail () override;
44f0e208 TT	297
44f0e208 TT	298	/* Return true if this window has the locator. */
e6e41501 TT	299	bool has_locator () const override
	300	{
	301	return m_has_locator;
	302	}
	303
56122977	304	void make_visible (bool visible) override;
2042b506	305	void refresh () override;
cda37efb	306
ad54d15b TT	307	/* Refill the source window's source cache and update it. If this
	308	is a disassembly window, then just update it. */
	309	void refill ();
	310
	311	/* Set the location of the execution point. */
	312	void set_is_exec_point_at (struct tui_line_or_address l);
	313
e6e41501 TT	314	/* Does the locator belong to this window? */
	315	bool m_has_locator = false;
	316	/* Execution information window. */
	317	struct tui_gen_win_info *execution_info = nullptr;
	318	/* Used for horizontal scroll. */
	319	int horizontal_offset = 0;
	320	struct tui_line_or_address start_line_or_addr;
	321
	322	/* It is the resolved form as returned by symtab_to_fullname. */
	323	char *fullname = nullptr;
	324
	325	/* Architecture associated with code at this location. */
	326	struct gdbarch *gdbarch = nullptr;
33b906ab TT	327	};
33b906ab TT	328
5cf82909 TT	329	/* A TUI source window. */
	330
	331	struct tui_source_window : public tui_source_window_base
	332	{
	333	tui_source_window ()
	334	: tui_source_window_base (SRC_WIN)
	335	{
	336	}
	337
	338	DISABLE_COPY_AND_ASSIGN (tui_source_window);
13446e05 TT	339
	340	protected:
	341
	342	void do_scroll_vertical (enum tui_scroll_direction,
	343	int num_to_scroll) override;
5cf82909 TT	344	};
	345
	346	/* A TUI disassembly window. */
	347
	348	struct tui_disasm_window : public tui_source_window_base
	349	{
	350	tui_disasm_window ()
	351	: tui_source_window_base (DISASSEM_WIN)
	352	{
	353	}
	354
	355	DISABLE_COPY_AND_ASSIGN (tui_disasm_window);
13446e05 TT	356
	357	protected:
	358
	359	void do_scroll_vertical (enum tui_scroll_direction,
	360	int num_to_scroll) override;
5cf82909 TT	361	};
5cf82909 TT	362
33b906ab TT	363	struct tui_data_window : public tui_win_info
33b906ab TT	364	{
63901aec TT	365	tui_data_window ()
	366	: tui_win_info (DATA_WIN)
	367	{
	368	}
	369
ee1d42d6	370	~tui_data_window () override;
33b906ab	371	DISABLE_COPY_AND_ASSIGN (tui_data_window);
8761a91b TT	372
8761a91b TT	373	void clear_detail () override;
13446e05	374
63901aec TT	375	/* Start of data display content. */
	376	tui_win_content data_content = NULL;
	377	int data_content_count = 0;
	378	/* Start of regs display content. */
	379	tui_win_content regs_content = NULL;
	380	int regs_content_count = 0;
	381	int regs_column_count = 0;
	382	/* Should regs be displayed at all? */
	383	bool display_regs = false;
	384	struct reggroup *current_group = nullptr;
238eb706	385
13446e05 TT	386	protected:
	387
	388	void do_scroll_vertical (enum tui_scroll_direction,
	389	int num_to_scroll) override;
	390	void do_scroll_horizontal (enum tui_scroll_direction,
	391	int num_to_scroll) override
	392	{
	393	}
33b906ab TT	394	};
	395
	396	struct tui_cmd_window : public tui_win_info
	397	{
63901aec TT	398	tui_cmd_window ()
	399	: tui_win_info (CMD_WIN)
	400	{
	401	}
	402
33b906ab	403	DISABLE_COPY_AND_ASSIGN (tui_cmd_window);
8761a91b TT	404
8761a91b TT	405	void clear_detail () override;
13446e05	406
56122977	407	void make_visible (bool visible) override
cda37efb TT	408	{
	409	}
	410
63901aec	411	int start_line = 0;
81491aa0	412
13446e05 TT	413	protected:
	414
	415	void do_scroll_vertical (enum tui_scroll_direction,
	416	int num_to_scroll) override
	417	{
	418	}
	419
	420	void do_scroll_horizontal (enum tui_scroll_direction,
	421	int num_to_scroll) override
	422	{
	423	}
2a8854a7	424	};
c906108c	425
6d012f14	426	extern int tui_win_is_auxillary (enum tui_win_type win_type);
6d012f14 AC	427	extern void tui_set_win_highlight (struct tui_win_info *win_info,
6d012f14 AC	428	int highlight);
c906108c SS	429
c906108c SS	430
1cc6d956	431	/* Global Data. */
7fa29be9	432	extern struct tui_win_info *tui_win_list[MAX_MAJOR_WINDOWS];
c906108c	433
e6e41501 TT	434	#define TUI_SRC_WIN ((tui_source_window_base *) tui_win_list[SRC_WIN])
e6e41501 TT	435	#define TUI_DISASM_WIN ((tui_source_window_base *) tui_win_list[DISASSEM_WIN])
238eb706	436	#define TUI_DATA_WIN ((tui_data_window *) tui_win_list[DATA_WIN])
81491aa0	437	#define TUI_CMD_WIN ((tui_cmd_window *) tui_win_list[CMD_WIN])
c906108c	438
1cc6d956	439	/* Data Manipulation Functions. */
dd1abb8c AC	440	extern void tui_initialize_static_data (void);
dd1abb8c AC	441	extern struct tui_gen_win_info *tui_alloc_generic_win_info (void);
22940a24	442	extern struct tui_win_info *tui_alloc_win_info (enum tui_win_type);
dd1abb8c	443	extern void tui_init_generic_part (struct tui_gen_win_info *);
2a8854a7	444	extern tui_win_content tui_alloc_content (int, enum tui_win_type);
08ef48c5 MS	445	extern int tui_add_content_elements (struct tui_gen_win_info *,
08ef48c5 MS	446	int);
dd1abb8c	447	extern void tui_free_win_content (struct tui_gen_win_info *);
2a8854a7	448	extern void tui_free_data_content (tui_win_content, int);
dd1abb8c	449	extern void tui_free_all_source_wins_content (void);
a121b7c1	450	extern struct tui_win_info tui_partial_win_by_name (const char );
f41cbf58	451	extern const char tui_win_name (const struct tui_gen_win_info );
2a8854a7 AC	452	extern enum tui_layout_type tui_current_layout (void);
2a8854a7 AC	453	extern void tui_set_current_layout_to (enum tui_layout_type);
dd1abb8c AC	454	extern int tui_term_height (void);
	455	extern void tui_set_term_height_to (int);
	456	extern int tui_term_width (void);
	457	extern void tui_set_term_width_to (int);
dd1abb8c AC	458	extern struct tui_gen_win_info *tui_locator_win_info_ptr (void);
	459	extern struct tui_gen_win_info *tui_source_exec_info_win_ptr (void);
	460	extern struct tui_gen_win_info *tui_disassem_exec_info_win_ptr (void);
ad54d15b	461	extern std::vector<tui_source_window_base *> &tui_source_windows ();
dd1abb8c AC	462	extern void tui_clear_source_windows (void);
dd1abb8c AC	463	extern void tui_clear_source_windows_detail (void);
ad54d15b	464	extern void tui_add_to_source_windows (struct tui_source_window_base *);
dd1abb8c AC	465	extern struct tui_win_info *tui_win_with_focus (void);
dd1abb8c AC	466	extern void tui_set_win_with_focus (struct tui_win_info *);
5b6fe301	467	extern struct tui_layout_def *tui_layout_def (void);
dd1abb8c AC	468	extern int tui_win_resized (void);
	469	extern void tui_set_win_resized_to (int);
	470
	471	extern struct tui_win_info tui_next_win (struct tui_win_info );
	472	extern struct tui_win_info tui_prev_win (struct tui_win_info );
	473
7806cea7 TT	474	extern unsigned int tui_tab_width;
7806cea7 TT	475
1a5c2598	476	#endif /* TUI_TUI_DATA_H */