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297 lines
7.8 KiB
C
297 lines
7.8 KiB
C
/* Data/register window display.
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Copyright (C) 1998-2018 Free Software Foundation, Inc.
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Contributed by Hewlett-Packard Company.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "tui/tui.h"
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#include "tui/tui-data.h"
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#include "tui/tui-wingeneral.h"
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#include "tui/tui-regs.h"
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#include "tui/tui-windata.h"
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#include "gdb_curses.h"
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/*****************************************
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** STATIC LOCAL FUNCTIONS FORWARD DECLS **
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******************************************/
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/*****************************************
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** PUBLIC FUNCTIONS **
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******************************************/
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/* Answer the index first element displayed. If none are displayed,
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then return (-1). */
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int
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tui_first_data_item_displayed (void)
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{
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int element_no = (-1);
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int i;
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for (i = 0;
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i < TUI_DATA_WIN->generic.content_size && element_no < 0;
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i++)
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{
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struct tui_gen_win_info *data_item_win;
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data_item_win = &((tui_win_content)
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TUI_DATA_WIN->generic.content)[i]->which_element.data_window;
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if (data_item_win->handle != (WINDOW *) NULL
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&& data_item_win->is_visible)
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element_no = i;
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}
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return element_no;
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}
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/* Answer the index of the first element in line_no. If line_no is
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past the data area (-1) is returned. */
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int
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tui_first_data_element_no_in_line (int line_no)
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{
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int first_element_no = (-1);
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/* First see if there is a register on line_no, and if so, set the
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first element number. */
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if ((first_element_no = tui_first_reg_element_no_inline (line_no)) == -1)
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{ /* Looking at the general data, the 1st element on line_no. */
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}
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return first_element_no;
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}
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/* Function to delete all the item windows in the data window. This
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is usually done when the data window is scrolled. */
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void
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tui_delete_data_content_windows (void)
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{
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int i;
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struct tui_gen_win_info *data_item_win_ptr;
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for (i = 0; (i < TUI_DATA_WIN->generic.content_size); i++)
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{
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data_item_win_ptr = &((tui_win_content)
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TUI_DATA_WIN->generic.content)[i]->which_element.data_window;
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tui_delete_win (data_item_win_ptr->handle);
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data_item_win_ptr->handle = NULL;
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data_item_win_ptr->is_visible = FALSE;
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}
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}
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void
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tui_erase_data_content (const char *prompt)
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{
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werase (TUI_DATA_WIN->generic.handle);
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tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
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if (prompt != (char *) NULL)
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{
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int half_width = (TUI_DATA_WIN->generic.width - 2) / 2;
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int x_pos;
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if (strlen (prompt) >= half_width)
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x_pos = 1;
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else
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x_pos = half_width - strlen (prompt);
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mvwaddstr (TUI_DATA_WIN->generic.handle,
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(TUI_DATA_WIN->generic.height / 2),
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x_pos,
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(char *) prompt);
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}
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wrefresh (TUI_DATA_WIN->generic.handle);
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}
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/* This function displays the data that is in the data window's
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content. It does not set the content. */
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void
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tui_display_all_data (void)
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{
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if (TUI_DATA_WIN->generic.content_size <= 0)
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tui_erase_data_content (NO_DATA_STRING);
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else
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{
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tui_erase_data_content ((char *) NULL);
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tui_delete_data_content_windows ();
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tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
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tui_display_registers_from (0);
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/* Then display the other data. */
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if (TUI_DATA_WIN->detail.data_display_info.data_content !=
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(tui_win_content) NULL
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&& TUI_DATA_WIN->detail.data_display_info.data_content_count > 0)
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{
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}
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}
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}
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/* Function to display the data starting at line, line_no, in the data
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window. */
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void
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tui_display_data_from_line (int line_no)
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{
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int _line_no = line_no;
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if (line_no < 0)
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_line_no = 0;
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tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
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/* There is no general data, force regs to display (if there are
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any). */
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if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0)
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tui_display_registers_from_line (_line_no, TRUE);
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else
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{
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int regs_last_line = tui_last_regs_line_no ();
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/* Display regs if we can. */
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if (tui_display_registers_from_line (_line_no, FALSE) < 0)
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{ /* _line_no is past the regs display, so calc where the
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start data element is. */
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if (regs_last_line < _line_no)
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{ /* Figure out how many lines each element is to obtain
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the start element_no. */
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}
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}
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else
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{ /* Calculate the starting element of the data display, given
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regs_last_line and how many lines each element is, up to
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_line_no. */
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}
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/* Now display the data , starting at element_no. */
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}
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}
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/* Display data starting at element element_no. */
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void
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tui_display_data_from (int element_no, int reuse_windows)
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{
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int first_line = (-1);
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if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count)
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first_line = tui_line_from_reg_element_no (element_no);
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else
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{ /* Calculate the first_line from the element number. */
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}
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if (first_line >= 0)
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{
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tui_erase_data_content ((char *) NULL);
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if (!reuse_windows)
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tui_delete_data_content_windows ();
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tui_display_data_from_line (first_line);
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}
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}
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/* Function to redisplay the contents of the data window. */
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void
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tui_refresh_data_win (void)
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{
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tui_erase_data_content ((char *) NULL);
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if (TUI_DATA_WIN->generic.content_size > 0)
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{
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int first_element = tui_first_data_item_displayed ();
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if (first_element >= 0) /* Re-use existing windows. */
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tui_display_data_from (first_element, TRUE);
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}
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}
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/* Function to check the data values and hilite any that have
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changed. */
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void
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tui_check_data_values (struct frame_info *frame)
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{
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tui_check_register_values (frame);
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/* Now check any other data values that there are. */
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if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible)
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{
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int i;
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for (i = 0;
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TUI_DATA_WIN->detail.data_display_info.data_content_count;
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i++)
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{
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#ifdef LATER
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tui_data_element_ptr data_element_ptr;
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struct tui_gen_win_info *data_item_win_ptr;
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Opaque new_value;
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data_item_ptr = &TUI_DATA_WIN->detail.data_display_info.
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data_content[i]->which_element.data_window;
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data_element_ptr = &((tui_win_content)
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data_item_win_ptr->content)[0]->which_element.data;
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if value
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has changed (data_element_ptr, frame, &new_value)
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{
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data_element_ptr->value = new_value;
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update the display with the newobj value, hiliting it.
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}
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#endif
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}
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}
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}
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/* Scroll the data window vertically forward or backward. */
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void
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tui_vertical_data_scroll (enum tui_scroll_direction scroll_direction,
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int num_to_scroll)
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{
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int first_element_no;
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int first_line = (-1);
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first_element_no = tui_first_data_item_displayed ();
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if (first_element_no
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< TUI_DATA_WIN->detail.data_display_info.regs_content_count)
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first_line = tui_line_from_reg_element_no (first_element_no);
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else
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{ /* Calculate the first line from the element number which is in
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the general data content. */
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}
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if (first_line >= 0)
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{
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if (scroll_direction == FORWARD_SCROLL)
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first_line += num_to_scroll;
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else
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first_line -= num_to_scroll;
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tui_erase_data_content ((char *) NULL);
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tui_delete_data_content_windows ();
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tui_display_data_from_line (first_line);
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}
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}
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/*****************************************
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** STATIC LOCAL FUNCTIONS **
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******************************************/
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