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binutils-gdb/gdb/tui/tui-layout.c
Joel Brobecker c5a5708100 Copyright year update in most files of the GDB Project. 
gdb/ChangeLog:

        Copyright year update in most files of the GDB Project.
2012-01-04 08:28:28 +00:00

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/* TUI layout window management.
Copyright (C) 1998-2004, 2007-2012 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/>. */
#include "defs.h"
#include "arch-utils.h"
#include "command.h"
#include "symtab.h"
#include "frame.h"
#include "source.h"
#include <ctype.h>
#include "tui/tui.h"
#include "tui/tui-data.h"
#include "tui/tui-windata.h"
#include "tui/tui-wingeneral.h"
#include "tui/tui-stack.h"
#include "tui/tui-regs.h"
#include "tui/tui-win.h"
#include "tui/tui-winsource.h"
#include "tui/tui-disasm.h"
#include "tui/tui-layout.h"
#include "gdb_string.h"
#include "gdb_curses.h"
/*******************************
** Static Local Decls
********************************/
static void show_layout (enum tui_layout_type);
static void init_gen_win_info (struct tui_gen_win_info *,
enum tui_win_type,
int, int, int, int);
static void *init_and_make_win (void *, enum tui_win_type,
int, int, int, int, int);
static void show_source_or_disasm_and_command (enum tui_layout_type);
static void make_source_or_disasm_window (struct tui_win_info **,
enum tui_win_type,
int, int);
static void make_command_window (struct tui_win_info **, int, int);
static void make_source_window (struct tui_win_info **, int, int);
static void make_disasm_window (struct tui_win_info **, int, int);
static void make_data_window (struct tui_win_info **, int, int);
static void show_source_command (void);
static void show_disasm_command (void);
static void show_source_disasm_command (void);
static void show_data (enum tui_layout_type);
static enum tui_layout_type next_layout (void);
static enum tui_layout_type prev_layout (void);
static void tui_layout_command (char *, int);
static void tui_toggle_layout_command (char *, int);
static void tui_toggle_split_layout_command (char *, int);
static void extract_display_start_addr (struct gdbarch **, CORE_ADDR *);
static void tui_handle_xdb_layout (struct tui_layout_def *);
/***************************************
** DEFINITIONS
***************************************/
#define LAYOUT_USAGE "Usage: layout prev | next | <layout_name> \n"
/* Show the screen layout defined. */
static void
show_layout (enum tui_layout_type layout)
{
enum tui_layout_type cur_layout = tui_current_layout ();
if (layout != cur_layout)
{
/* Since the new layout may cause changes in window size, we
should free the content and reallocate on next display of
source/asm. */
tui_free_all_source_wins_content ();
tui_clear_source_windows ();
if (layout == SRC_DATA_COMMAND
|| layout == DISASSEM_DATA_COMMAND)
{
show_data (layout);
tui_refresh_all (tui_win_list);
}
else
{
/* First make the current layout be invisible. */
tui_make_all_invisible ();
tui_make_invisible (tui_locator_win_info_ptr ());
switch (layout)
{
/* Now show the new layout. */
case SRC_COMMAND:
show_source_command ();
tui_add_to_source_windows (TUI_SRC_WIN);
break;
case DISASSEM_COMMAND:
show_disasm_command ();
tui_add_to_source_windows (TUI_DISASM_WIN);
break;
case SRC_DISASSEM_COMMAND:
show_source_disasm_command ();
tui_add_to_source_windows (TUI_SRC_WIN);
tui_add_to_source_windows (TUI_DISASM_WIN);
break;
default:
break;
}
}
}
}
/* Function to set the layout to SRC_COMMAND, DISASSEM_COMMAND,
SRC_DISASSEM_COMMAND, SRC_DATA_COMMAND, or DISASSEM_DATA_COMMAND.
If the layout is SRC_DATA_COMMAND, DISASSEM_DATA_COMMAND, or
UNDEFINED_LAYOUT, then the data window is populated according to
regs_display_type. */
enum tui_status
tui_set_layout (enum tui_layout_type layout_type,
enum tui_register_display_type regs_display_type)
{
enum tui_status status = TUI_SUCCESS;
if (layout_type != UNDEFINED_LAYOUT
|| regs_display_type != TUI_UNDEFINED_REGS)
{
enum tui_layout_type cur_layout = tui_current_layout (),
new_layout = UNDEFINED_LAYOUT;
int regs_populate = FALSE;
struct gdbarch *gdbarch;
CORE_ADDR addr;
struct tui_win_info *win_with_focus = tui_win_with_focus ();
struct tui_layout_def *layout_def = tui_layout_def ();
extract_display_start_addr (&gdbarch, &addr);
if (layout_type == UNDEFINED_LAYOUT
&& regs_display_type != TUI_UNDEFINED_REGS)
{
if (cur_layout == SRC_DISASSEM_COMMAND)
new_layout = DISASSEM_DATA_COMMAND;
else if (cur_layout == SRC_COMMAND
|| cur_layout == SRC_DATA_COMMAND)
new_layout = SRC_DATA_COMMAND;
else if (cur_layout == DISASSEM_COMMAND
|| cur_layout == DISASSEM_DATA_COMMAND)
new_layout = DISASSEM_DATA_COMMAND;
}
else
new_layout = layout_type;
regs_populate = (new_layout == SRC_DATA_COMMAND
|| new_layout == DISASSEM_DATA_COMMAND
|| regs_display_type != TUI_UNDEFINED_REGS);
if (new_layout != cur_layout
|| regs_display_type != TUI_UNDEFINED_REGS)
{
if (new_layout != cur_layout)
{
show_layout (new_layout);
/* Now determine where focus should be. */
if (win_with_focus != TUI_CMD_WIN)
{
switch (new_layout)
{
case SRC_COMMAND:
tui_set_win_focus_to (TUI_SRC_WIN);
layout_def->display_mode = SRC_WIN;
layout_def->split = FALSE;
break;
case DISASSEM_COMMAND:
/* The previous layout was not showing code.
This can happen if there is no source
available:
1. if the source file is in another dir OR
2. if target was compiled without -g
We still want to show the assembly though! */
tui_get_begin_asm_address (&gdbarch, &addr);
tui_set_win_focus_to (TUI_DISASM_WIN);
layout_def->display_mode = DISASSEM_WIN;
layout_def->split = FALSE;
break;
case SRC_DISASSEM_COMMAND:
/* The previous layout was not showing code.
This can happen if there is no source
available:
1. if the source file is in another dir OR
2. if target was compiled without -g
We still want to show the assembly though! */
tui_get_begin_asm_address (&gdbarch, &addr);
if (win_with_focus == TUI_SRC_WIN)
tui_set_win_focus_to (TUI_SRC_WIN);
else
tui_set_win_focus_to (TUI_DISASM_WIN);
layout_def->split = TRUE;
break;
case SRC_DATA_COMMAND:
if (win_with_focus != TUI_DATA_WIN)
tui_set_win_focus_to (TUI_SRC_WIN);
else
tui_set_win_focus_to (TUI_DATA_WIN);
layout_def->display_mode = SRC_WIN;
layout_def->split = FALSE;
break;
case DISASSEM_DATA_COMMAND:
/* The previous layout was not showing code.
This can happen if there is no source
available:
1. if the source file is in another dir OR
2. if target was compiled without -g
We still want to show the assembly though! */
tui_get_begin_asm_address (&gdbarch, &addr);
if (win_with_focus != TUI_DATA_WIN)
tui_set_win_focus_to (TUI_DISASM_WIN);
else
tui_set_win_focus_to (TUI_DATA_WIN);
layout_def->display_mode = DISASSEM_WIN;
layout_def->split = FALSE;
break;
default:
break;
}
}
/*
* Now update the window content.
*/
if (!regs_populate
&& (new_layout == SRC_DATA_COMMAND
|| new_layout == DISASSEM_DATA_COMMAND))
tui_display_all_data ();
tui_update_source_windows_with_addr (gdbarch, addr);
}
if (regs_populate)
{
tui_show_registers (TUI_DATA_WIN->detail.data_display_info.current_group);
}
}
}
else
status = TUI_FAILURE;
return status;
}
/* Add the specified window to the layout in a logical way. This
means setting up the most logical layout given the window to be
added. */
void
tui_add_win_to_layout (enum tui_win_type type)
{
enum tui_layout_type cur_layout = tui_current_layout ();
switch (type)
{
case SRC_WIN:
if (cur_layout != SRC_COMMAND
&& cur_layout != SRC_DISASSEM_COMMAND
&& cur_layout != SRC_DATA_COMMAND)
{
tui_clear_source_windows_detail ();
if (cur_layout == DISASSEM_DATA_COMMAND)
show_layout (SRC_DATA_COMMAND);
else
show_layout (SRC_COMMAND);
}
break;
case DISASSEM_WIN:
if (cur_layout != DISASSEM_COMMAND
&& cur_layout != SRC_DISASSEM_COMMAND
&& cur_layout != DISASSEM_DATA_COMMAND)
{
tui_clear_source_windows_detail ();
if (cur_layout == SRC_DATA_COMMAND)
show_layout (DISASSEM_DATA_COMMAND);
else
show_layout (DISASSEM_COMMAND);
}
break;
case DATA_WIN:
if (cur_layout != SRC_DATA_COMMAND
&& cur_layout != DISASSEM_DATA_COMMAND)
{
if (cur_layout == DISASSEM_COMMAND)
show_layout (DISASSEM_DATA_COMMAND);
else
show_layout (SRC_DATA_COMMAND);
}
break;
default:
break;
}
}
/* Answer the height of a window. If it hasn't been created yet,
answer what the height of a window would be based upon its type and
the layout. */
int
tui_default_win_height (enum tui_win_type type,
enum tui_layout_type layout)
{
int h;
if (tui_win_list[type] != (struct tui_win_info *) NULL)
h = tui_win_list[type]->generic.height;
else
{
switch (layout)
{
case SRC_COMMAND:
case DISASSEM_COMMAND:
if (TUI_CMD_WIN == NULL)
h = tui_term_height () / 2;
else
h = tui_term_height () - TUI_CMD_WIN->generic.height;
break;
case SRC_DISASSEM_COMMAND:
case SRC_DATA_COMMAND:
case DISASSEM_DATA_COMMAND:
if (TUI_CMD_WIN == NULL)
h = tui_term_height () / 3;
else
h = (tui_term_height () - TUI_CMD_WIN->generic.height) / 2;
break;
default:
h = 0;
break;
}
}
return h;
}
/* Answer the height of a window. If it hasn't been created yet,
answer what the height of a window would be based upon its type and
the layout. */
int
tui_default_win_viewport_height (enum tui_win_type type,
enum tui_layout_type layout)
{
int h;
h = tui_default_win_height (type, layout);
if (tui_win_list[type] == TUI_CMD_WIN)
h -= 1;
else
h -= 2;
return h;
}
/* Function to initialize gdb commands, for tui window layout
manipulation. */
/* Provide a prototype to silence -Wmissing-prototypes. */
extern initialize_file_ftype _initialize_tui_layout;
void
_initialize_tui_layout (void)
{
add_com ("layout", class_tui, tui_layout_command, _("\
Change the layout of windows.\n\
Usage: layout prev | next | <layout_name> \n\
Layout names are:\n\
src : Displays source and command windows.\n\
asm : Displays disassembly and command windows.\n\
split : Displays source, disassembly and command windows.\n\
regs : Displays register window. If existing layout\n\
is source/command or assembly/command, the \n\
register window is displayed. If the\n\
source/assembly/command (split) is displayed, \n\
the register window is displayed with \n\
the window that has current logical focus.\n"));
if (xdb_commands)
{
add_com ("td", class_tui, tui_toggle_layout_command, _("\
Toggle between Source/Command and Disassembly/Command layouts.\n"));
add_com ("ts", class_tui, tui_toggle_split_layout_command, _("\
Toggle between Source/Command or Disassembly/Command and \n\
Source/Disassembly/Command layouts.\n"));
}
}
/*************************
** STATIC LOCAL FUNCTIONS
**************************/
/* Function to set the layout to SRC, ASM, SPLIT, NEXT, PREV, DATA,
REGS, $REGS, $GREGS, $FREGS, $SREGS. */
enum tui_status
tui_set_layout_for_display_command (const char *layout_name)
{
enum tui_status status = TUI_SUCCESS;
if (layout_name != (char *) NULL)
{
int i;
char *buf_ptr;
enum tui_layout_type new_layout = UNDEFINED_LAYOUT;
enum tui_register_display_type dpy_type = TUI_UNDEFINED_REGS;
enum tui_layout_type cur_layout = tui_current_layout ();
buf_ptr = (char *) xstrdup (layout_name);
for (i = 0; (i < strlen (layout_name)); i++)
buf_ptr[i] = toupper (buf_ptr[i]);
/* First check for ambiguous input. */
if (strlen (buf_ptr) <= 1
&& (*buf_ptr == 'S' || *buf_ptr == '$'))
{
warning (_("Ambiguous command input."));
status = TUI_FAILURE;
}
else
{
if (subset_compare (buf_ptr, "SRC"))
new_layout = SRC_COMMAND;
else if (subset_compare (buf_ptr, "ASM"))
new_layout = DISASSEM_COMMAND;
else if (subset_compare (buf_ptr, "SPLIT"))
new_layout = SRC_DISASSEM_COMMAND;
else if (subset_compare (buf_ptr, "REGS")
|| subset_compare (buf_ptr, TUI_GENERAL_SPECIAL_REGS_NAME)
|| subset_compare (buf_ptr, TUI_GENERAL_REGS_NAME)
|| subset_compare (buf_ptr, TUI_FLOAT_REGS_NAME)
|| subset_compare (buf_ptr, TUI_SPECIAL_REGS_NAME))
{
if (cur_layout == SRC_COMMAND
|| cur_layout == SRC_DATA_COMMAND)
new_layout = SRC_DATA_COMMAND;
else
new_layout = DISASSEM_DATA_COMMAND;
/* Could ifdef out the following code. when compile with
-z, there are null pointer references that cause a
core dump if 'layout regs' is the first layout
command issued by the user. HP has asked us to hook
up this code. - edie epstein */
if (subset_compare (buf_ptr, TUI_FLOAT_REGS_NAME))
{
if (TUI_DATA_WIN->detail.data_display_info.regs_display_type
!= TUI_SFLOAT_REGS
&& TUI_DATA_WIN->detail.data_display_info.regs_display_type
!= TUI_DFLOAT_REGS)
dpy_type = TUI_SFLOAT_REGS;
else
dpy_type =
TUI_DATA_WIN->detail.data_display_info.regs_display_type;
}
else if (subset_compare (buf_ptr,
TUI_GENERAL_SPECIAL_REGS_NAME))
dpy_type = TUI_GENERAL_AND_SPECIAL_REGS;
else if (subset_compare (buf_ptr, TUI_GENERAL_REGS_NAME))
dpy_type = TUI_GENERAL_REGS;
else if (subset_compare (buf_ptr, TUI_SPECIAL_REGS_NAME))
dpy_type = TUI_SPECIAL_REGS;
else if (TUI_DATA_WIN)
{
if (TUI_DATA_WIN->detail.data_display_info.regs_display_type
!= TUI_UNDEFINED_REGS)
dpy_type
= TUI_DATA_WIN->detail.data_display_info.regs_display_type;
else
dpy_type = TUI_GENERAL_REGS;
}
/* End of potential ifdef.
*/
/* If ifdefed out code above, then assume that the user
wishes to display the general purpose registers .
*/
/* dpy_type = TUI_GENERAL_REGS; */
}
else if (subset_compare (buf_ptr, "NEXT"))
new_layout = next_layout ();
else if (subset_compare (buf_ptr, "PREV"))
new_layout = prev_layout ();
else
status = TUI_FAILURE;
tui_set_layout (new_layout, dpy_type);
}
xfree (buf_ptr);
}
else
status = TUI_FAILURE;
return status;
}
static void
extract_display_start_addr (struct gdbarch **gdbarch_p, CORE_ADDR *addr_p)
{
enum tui_layout_type cur_layout = tui_current_layout ();
struct gdbarch *gdbarch = get_current_arch ();
CORE_ADDR addr;
CORE_ADDR pc;
struct symtab_and_line cursal = get_current_source_symtab_and_line ();
switch (cur_layout)
{
case SRC_COMMAND:
case SRC_DATA_COMMAND:
gdbarch = TUI_SRC_WIN->detail.source_info.gdbarch;
find_line_pc (cursal.symtab,
TUI_SRC_WIN->detail.source_info.start_line_or_addr.u.line_no,
&pc);
addr = pc;
break;
case DISASSEM_COMMAND:
case SRC_DISASSEM_COMMAND:
case DISASSEM_DATA_COMMAND:
gdbarch = TUI_DISASM_WIN->detail.source_info.gdbarch;
addr = TUI_DISASM_WIN->detail.source_info.start_line_or_addr.u.addr;
break;
default:
addr = 0;
break;
}
*gdbarch_p = gdbarch;
*addr_p = addr;
}
static void
tui_handle_xdb_layout (struct tui_layout_def *layout_def)
{
if (layout_def->split)
{
tui_set_layout (SRC_DISASSEM_COMMAND, TUI_UNDEFINED_REGS);
tui_set_win_focus_to (tui_win_list[layout_def->display_mode]);
}
else
{
if (layout_def->display_mode == SRC_WIN)
tui_set_layout (SRC_COMMAND, TUI_UNDEFINED_REGS);
else
tui_set_layout (DISASSEM_DATA_COMMAND, layout_def->regs_display_type);
}
}
static void
tui_toggle_layout_command (char *arg, int from_tty)
{
struct tui_layout_def *layout_def = tui_layout_def ();
/* Make sure the curses mode is enabled. */
tui_enable ();
if (layout_def->display_mode == SRC_WIN)
layout_def->display_mode = DISASSEM_WIN;
else
layout_def->display_mode = SRC_WIN;
if (!layout_def->split)
tui_handle_xdb_layout (layout_def);
}
static void
tui_toggle_split_layout_command (char *arg, int from_tty)
{
struct tui_layout_def *layout_def = tui_layout_def ();
/* Make sure the curses mode is enabled. */
tui_enable ();
layout_def->split = (!layout_def->split);
tui_handle_xdb_layout (layout_def);
}
static void
tui_layout_command (char *arg, int from_tty)
{
/* Make sure the curses mode is enabled. */
tui_enable ();
/* Switch to the selected layout. */
if (tui_set_layout_for_display_command (arg) != TUI_SUCCESS)
warning (_("Invalid layout specified.\n%s"), LAYOUT_USAGE);
}
/* Answer the previous layout to cycle to. */
static enum tui_layout_type
next_layout (void)
{
enum tui_layout_type new_layout;
new_layout = tui_current_layout ();
if (new_layout == UNDEFINED_LAYOUT)
new_layout = SRC_COMMAND;
else
{
new_layout++;
if (new_layout == UNDEFINED_LAYOUT)
new_layout = SRC_COMMAND;
}
return new_layout;
}
/* Answer the next layout to cycle to. */
static enum tui_layout_type
prev_layout (void)
{
enum tui_layout_type new_layout;
new_layout = tui_current_layout ();
if (new_layout == SRC_COMMAND)
new_layout = DISASSEM_DATA_COMMAND;
else
{
new_layout--;
if (new_layout == UNDEFINED_LAYOUT)
new_layout = DISASSEM_DATA_COMMAND;
}
return new_layout;
}
static void
make_command_window (struct tui_win_info **win_info_ptr,
int height, int origin_y)
{
*win_info_ptr = init_and_make_win (*win_info_ptr,
CMD_WIN,
height,
tui_term_width (),
0,
origin_y,
DONT_BOX_WINDOW);
(*win_info_ptr)->can_highlight = FALSE;
}
/* make_source_window().
*/
static void
make_source_window (struct tui_win_info **win_info_ptr,
int height, int origin_y)
{
make_source_or_disasm_window (win_info_ptr, SRC_WIN, height, origin_y);
return;
} /* make_source_window */
/* make_disasm_window().
*/
static void
make_disasm_window (struct tui_win_info **win_info_ptr,
int height, int origin_y)
{
make_source_or_disasm_window (win_info_ptr, DISASSEM_WIN, height, origin_y);
return;
} /* make_disasm_window */
static void
make_data_window (struct tui_win_info **win_info_ptr,
int height, int origin_y)
{
*win_info_ptr = init_and_make_win (*win_info_ptr,
DATA_WIN,
height,
tui_term_width (),
0,
origin_y,
BOX_WINDOW);
}
/* Show the Source/Command layout. */
static void
show_source_command (void)
{
show_source_or_disasm_and_command (SRC_COMMAND);
}
/* Show the Dissassem/Command layout. */
static void
show_disasm_command (void)
{
show_source_or_disasm_and_command (DISASSEM_COMMAND);
}
/* Show the Source/Disassem/Command layout. */
static void
show_source_disasm_command (void)
{
if (tui_current_layout () != SRC_DISASSEM_COMMAND)
{
int cmd_height, src_height, asm_height;
if (TUI_CMD_WIN != NULL)
cmd_height = TUI_CMD_WIN->generic.height;
else
cmd_height = tui_term_height () / 3;
src_height = (tui_term_height () - cmd_height) / 2;
asm_height = tui_term_height () - (src_height + cmd_height);
if (TUI_SRC_WIN == NULL)
make_source_window (&TUI_SRC_WIN, src_height, 0);
else
{
init_gen_win_info (&TUI_SRC_WIN->generic,
TUI_SRC_WIN->generic.type,
src_height,
TUI_SRC_WIN->generic.width,
TUI_SRC_WIN->detail.source_info.execution_info->width,
0);
TUI_SRC_WIN->can_highlight = TRUE;
init_gen_win_info (TUI_SRC_WIN->detail.source_info.execution_info,
EXEC_INFO_WIN,
src_height,
3,
0,
0);
tui_make_visible (&TUI_SRC_WIN->generic);
tui_make_visible (TUI_SRC_WIN->detail.source_info.execution_info);
TUI_SRC_WIN->detail.source_info.has_locator = FALSE;;
}
if (TUI_SRC_WIN != NULL)
{
struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
tui_show_source_content (TUI_SRC_WIN);
if (TUI_DISASM_WIN == NULL)
{
make_disasm_window (&TUI_DISASM_WIN, asm_height, src_height - 1);
locator = init_and_make_win (locator,
LOCATOR_WIN,
2 /* 1 */ ,
tui_term_width (),
0,
(src_height + asm_height) - 1,
DONT_BOX_WINDOW);
}
else
{
init_gen_win_info (locator,
LOCATOR_WIN,
2 /* 1 */ ,
tui_term_width (),
0,
(src_height + asm_height) - 1);
TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
init_gen_win_info (&TUI_DISASM_WIN->generic,
TUI_DISASM_WIN->generic.type,
asm_height,
TUI_DISASM_WIN->generic.width,
TUI_DISASM_WIN->detail.source_info.execution_info->width,
src_height - 1);
init_gen_win_info (TUI_DISASM_WIN->detail.source_info.execution_info,
EXEC_INFO_WIN,
asm_height,
3,
0,
src_height - 1);
TUI_DISASM_WIN->can_highlight = TRUE;
tui_make_visible (&TUI_DISASM_WIN->generic);
tui_make_visible (TUI_DISASM_WIN->detail.source_info.execution_info);
}
if (TUI_DISASM_WIN != NULL)
{
TUI_SRC_WIN->detail.source_info.has_locator = FALSE;
TUI_DISASM_WIN->detail.source_info.has_locator = TRUE;
tui_make_visible (locator);
tui_show_locator_content ();
tui_show_source_content (TUI_DISASM_WIN);
if (TUI_CMD_WIN == NULL)
make_command_window (&TUI_CMD_WIN,
cmd_height,
tui_term_height () - cmd_height);
else
{
init_gen_win_info (&TUI_CMD_WIN->generic,
TUI_CMD_WIN->generic.type,
TUI_CMD_WIN->generic.height,
TUI_CMD_WIN->generic.width,
0,
TUI_CMD_WIN->generic.origin.y);
TUI_CMD_WIN->can_highlight = FALSE;
tui_make_visible (&TUI_CMD_WIN->generic);
}
if (TUI_CMD_WIN != NULL)
tui_refresh_win (&TUI_CMD_WIN->generic);
}
}
tui_set_current_layout_to (SRC_DISASSEM_COMMAND);
}
}
/* Show the Source/Data/Command or the Dissassembly/Data/Command
layout. */
static void
show_data (enum tui_layout_type new_layout)
{
int total_height = (tui_term_height () - TUI_CMD_WIN->generic.height);
int src_height, data_height;
enum tui_win_type win_type;
struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
data_height = total_height / 2;
src_height = total_height - data_height;
tui_make_all_invisible ();
tui_make_invisible (locator);
make_data_window (&TUI_DATA_WIN, data_height, 0);
TUI_DATA_WIN->can_highlight = TRUE;
if (new_layout == SRC_DATA_COMMAND)
win_type = SRC_WIN;
else
win_type = DISASSEM_WIN;
if (tui_win_list[win_type] == NULL)
{
if (win_type == SRC_WIN)
make_source_window (&tui_win_list[win_type], src_height, data_height - 1);
else
make_disasm_window (&tui_win_list[win_type], src_height, data_height - 1);
locator = init_and_make_win (locator,
LOCATOR_WIN,
2 /* 1 */ ,
tui_term_width (),
0,
total_height - 1,
DONT_BOX_WINDOW);
}
else
{
init_gen_win_info (&tui_win_list[win_type]->generic,
tui_win_list[win_type]->generic.type,
src_height,
tui_win_list[win_type]->generic.width,
tui_win_list[win_type]->detail.source_info.execution_info->width,
data_height - 1);
init_gen_win_info (tui_win_list[win_type]->detail.source_info.execution_info,
EXEC_INFO_WIN,
src_height,
3,
0,
data_height - 1);
tui_make_visible (&tui_win_list[win_type]->generic);
tui_make_visible (tui_win_list[win_type]->detail.source_info.execution_info);
init_gen_win_info (locator,
LOCATOR_WIN,
2 /* 1 */ ,
tui_term_width (),
0,
total_height - 1);
}
tui_win_list[win_type]->detail.source_info.has_locator = TRUE;
tui_make_visible (locator);
tui_show_locator_content ();
tui_add_to_source_windows (tui_win_list[win_type]);
tui_set_current_layout_to (new_layout);
}
/* init_gen_win_info().
*/
static void
init_gen_win_info (struct tui_gen_win_info *win_info,
enum tui_win_type type,
int height, int width,
int origin_x, int origin_y)
{
int h = height;
win_info->type = type;
win_info->width = width;
win_info->height = h;
if (h > 1)
{
win_info->viewport_height = h - 1;
if (win_info->type != CMD_WIN)
win_info->viewport_height--;
}
else
win_info->viewport_height = 1;
win_info->origin.x = origin_x;
win_info->origin.y = origin_y;
return;
} /* init_gen_win_info */
/* init_and_make_win().
*/
static void *
init_and_make_win (void *opaque_win_info,
enum tui_win_type win_type,
int height, int width,
int origin_x, int origin_y,
int box_it)
{
struct tui_gen_win_info *generic;
if (opaque_win_info == NULL)
{
if (tui_win_is_auxillary (win_type))
opaque_win_info = (void *) tui_alloc_generic_win_info ();
else
opaque_win_info = (void *) tui_alloc_win_info (win_type);
}
if (tui_win_is_auxillary (win_type))
generic = (struct tui_gen_win_info *) opaque_win_info;
else
generic = &((struct tui_win_info *) opaque_win_info)->generic;
if (opaque_win_info != NULL)
{
init_gen_win_info (generic, win_type, height, width, origin_x, origin_y);
if (!tui_win_is_auxillary (win_type))
{
if (generic->type == CMD_WIN)
((struct tui_win_info *) opaque_win_info)->can_highlight = FALSE;
else
((struct tui_win_info *) opaque_win_info)->can_highlight = TRUE;
}
tui_make_window (generic, box_it);
}
return opaque_win_info;
}
static void
make_source_or_disasm_window (struct tui_win_info **win_info_ptr,
enum tui_win_type type,
int height, int origin_y)
{
struct tui_gen_win_info *execution_info = (struct tui_gen_win_info *) NULL;
/* Create the exeuction info window. */
if (type == SRC_WIN)
execution_info = tui_source_exec_info_win_ptr ();
else
execution_info = tui_disassem_exec_info_win_ptr ();
execution_info = init_and_make_win (execution_info,
EXEC_INFO_WIN,
height,
3,
0,
origin_y,
DONT_BOX_WINDOW);
/* Now create the source window. */
*win_info_ptr = init_and_make_win (*win_info_ptr,
type,
height,
tui_term_width () - execution_info->width,
execution_info->width,
origin_y,
BOX_WINDOW);
(*win_info_ptr)->detail.source_info.execution_info = execution_info;
}
/* Show the Source/Command or the Disassem layout. */
static void
show_source_or_disasm_and_command (enum tui_layout_type layout_type)
{
if (tui_current_layout () != layout_type)
{
struct tui_win_info **win_info_ptr;
int src_height, cmd_height;
struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
if (TUI_CMD_WIN != NULL)
cmd_height = TUI_CMD_WIN->generic.height;
else
cmd_height = tui_term_height () / 3;
src_height = tui_term_height () - cmd_height;
if (layout_type == SRC_COMMAND)
win_info_ptr = &TUI_SRC_WIN;
else
win_info_ptr = &TUI_DISASM_WIN;
if ((*win_info_ptr) == NULL)
{
if (layout_type == SRC_COMMAND)
make_source_window (win_info_ptr, src_height - 1, 0);
else
make_disasm_window (win_info_ptr, src_height - 1, 0);
locator = init_and_make_win (locator,
LOCATOR_WIN,
2 /* 1 */ ,
tui_term_width (),
0,
src_height - 1,
DONT_BOX_WINDOW);
}
else
{
init_gen_win_info (locator,
LOCATOR_WIN,
2 /* 1 */ ,
tui_term_width (),
0,
src_height - 1);
(*win_info_ptr)->detail.source_info.has_locator = TRUE;
init_gen_win_info (&(*win_info_ptr)->generic,
(*win_info_ptr)->generic.type,
src_height - 1,
(*win_info_ptr)->generic.width,
(*win_info_ptr)->detail.source_info.execution_info->width,
0);
init_gen_win_info ((*win_info_ptr)->detail.source_info.execution_info,
EXEC_INFO_WIN,
src_height - 1,
3,
0,
0);
(*win_info_ptr)->can_highlight = TRUE;
tui_make_visible (&(*win_info_ptr)->generic);
tui_make_visible ((*win_info_ptr)->detail.source_info.execution_info);
}
if ((*win_info_ptr) != NULL)
{
(*win_info_ptr)->detail.source_info.has_locator = TRUE;
tui_make_visible (locator);
tui_show_locator_content ();
tui_show_source_content (*win_info_ptr);
if (TUI_CMD_WIN == NULL)
{
make_command_window (&TUI_CMD_WIN, cmd_height, src_height);
tui_refresh_win (&TUI_CMD_WIN->generic);
}
else
{
init_gen_win_info (&TUI_CMD_WIN->generic,
TUI_CMD_WIN->generic.type,
TUI_CMD_WIN->generic.height,
TUI_CMD_WIN->generic.width,
TUI_CMD_WIN->generic.origin.x,
TUI_CMD_WIN->generic.origin.y);
TUI_CMD_WIN->can_highlight = FALSE;
tui_make_visible (&TUI_CMD_WIN->generic);
}
}
tui_set_current_layout_to (layout_type);
}
}
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