1 /* Data/register window display.
3 Copyright (C) 1998-2019 Free Software Foundation, Inc.
5 Contributed by Hewlett-Packard Company.
7 This file is part of GDB.
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
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
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.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 #include "tui/tui-data.h"
25 #include "tui/tui-wingeneral.h"
26 #include "tui/tui-regs.h"
27 #include "tui/tui-windata.h"
28 #include "gdb_curses.h"
31 /*****************************************
32 ** STATIC LOCAL FUNCTIONS FORWARD DECLS **
33 ******************************************/
37 /*****************************************
38 ** PUBLIC FUNCTIONS **
39 ******************************************/
42 /* Answer the index first element displayed. If none are displayed,
45 tui_data_window::first_data_item_displayed ()
47 for (int i = 0; i < regs_content.size (); i++)
49 struct tui_gen_win_info *data_item_win;
51 data_item_win = regs_content[i].get ();
52 if (data_item_win->handle != NULL && data_item_win->is_visible)
60 /* Function to delete all the item windows in the data window. This
61 is usually done when the data window is scrolled. */
63 tui_delete_data_content_windows (void)
65 for (auto &&win : TUI_DATA_WIN->regs_content)
67 tui_delete_win (win->handle);
69 win->is_visible = false;
75 tui_erase_data_content (const char *prompt)
77 werase (TUI_DATA_WIN->handle);
78 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
81 int half_width = (TUI_DATA_WIN->width - 2) / 2;
84 if (strlen (prompt) >= half_width)
87 x_pos = half_width - strlen (prompt);
88 mvwaddstr (TUI_DATA_WIN->handle,
89 (TUI_DATA_WIN->height / 2),
93 wrefresh (TUI_DATA_WIN->handle);
97 /* This function displays the data that is in the data window's
98 content. It does not set the content. */
100 tui_display_all_data (void)
102 if (TUI_DATA_WIN->regs_content.empty ())
103 tui_erase_data_content (NO_DATA_STRING);
106 tui_erase_data_content (NULL);
107 tui_delete_data_content_windows ();
108 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
109 tui_display_registers_from (0);
114 /* Function to redisplay the contents of the data window. */
116 tui_data_window::refresh_all ()
118 tui_erase_data_content (NULL);
119 if (!regs_content.empty ())
121 int first_element = first_data_item_displayed ();
123 if (first_element >= 0) /* Re-use existing windows. */
125 int first_line = (-1);
127 if (first_element < regs_content.size ())
128 first_line = line_from_reg_element_no (first_element);
132 tui_erase_data_content (NULL);
133 tui_display_registers_from_line (first_line);
140 /* Scroll the data window vertically forward or backward. */
142 tui_data_window::do_scroll_vertical (int num_to_scroll)
144 int first_element_no;
145 int first_line = (-1);
147 first_element_no = first_data_item_displayed ();
148 if (first_element_no < regs_content.size ())
149 first_line = line_from_reg_element_no (first_element_no);
151 { /* Calculate the first line from the element number which is in
152 the general data content. */
157 first_line += num_to_scroll;
158 tui_erase_data_content (NULL);
159 tui_delete_data_content_windows ();
160 tui_display_registers_from_line (first_line);
165 /*****************************************
166 ** STATIC LOCAL FUNCTIONS **
167 ******************************************/