1 /* Data/register window display.
3 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009,
4 2010 Free Software Foundation, Inc.
6 Contributed by Hewlett-Packard Company.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 #include "tui/tui-data.h"
26 #include "tui/tui-wingeneral.h"
27 #include "tui/tui-regs.h"
28 #include "tui/tui-windata.h"
30 #include "gdb_string.h"
31 #include "gdb_curses.h"
34 /*****************************************
35 ** STATIC LOCAL FUNCTIONS FORWARD DECLS **
36 ******************************************/
40 /*****************************************
41 ** PUBLIC FUNCTIONS **
42 ******************************************/
45 /* Answer the index first element displayed. If none are displayed,
48 tui_first_data_item_displayed (void)
50 int element_no = (-1);
54 i < TUI_DATA_WIN->generic.content_size && element_no < 0;
57 struct tui_gen_win_info *data_item_win;
59 data_item_win = &((tui_win_content)
60 TUI_DATA_WIN->generic.content)[i]->which_element.data_window;
61 if (data_item_win->handle != (WINDOW *) NULL
62 && data_item_win->is_visible)
70 /* Answer the index of the first element in line_no. If line_no is
71 past the data area (-1) is returned. */
73 tui_first_data_element_no_in_line (int line_no)
75 int first_element_no = (-1);
77 /* First see if there is a register on line_no, and if so, set the
78 first element number. */
79 if ((first_element_no = tui_first_reg_element_no_inline (line_no)) == -1)
80 { /* Looking at the general data, the 1st element on line_no. */
83 return first_element_no;
87 /* Function to delete all the item windows in the data window. This
88 is usually done when the data window is scrolled. */
90 tui_delete_data_content_windows (void)
93 struct tui_gen_win_info *data_item_win_ptr;
95 for (i = 0; (i < TUI_DATA_WIN->generic.content_size); i++)
97 data_item_win_ptr = &((tui_win_content)
98 TUI_DATA_WIN->generic.content)[i]->which_element.data_window;
99 tui_delete_win (data_item_win_ptr->handle);
100 data_item_win_ptr->handle = (WINDOW *) NULL;
101 data_item_win_ptr->is_visible = FALSE;
107 tui_erase_data_content (char *prompt)
109 werase (TUI_DATA_WIN->generic.handle);
110 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
111 if (prompt != (char *) NULL)
113 int half_width = (TUI_DATA_WIN->generic.width - 2) / 2;
116 if (strlen (prompt) >= half_width)
119 x_pos = half_width - strlen (prompt);
120 mvwaddstr (TUI_DATA_WIN->generic.handle,
121 (TUI_DATA_WIN->generic.height / 2),
125 wrefresh (TUI_DATA_WIN->generic.handle);
129 /* This function displays the data that is in the data window's
130 content. It does not set the content. */
132 tui_display_all_data (void)
134 if (TUI_DATA_WIN->generic.content_size <= 0)
135 tui_erase_data_content (NO_DATA_STRING);
138 tui_erase_data_content ((char *) NULL);
139 tui_delete_data_content_windows ();
140 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
141 tui_display_registers_from (0);
143 /* Then display the other data. */
144 if (TUI_DATA_WIN->detail.data_display_info.data_content !=
145 (tui_win_content) NULL
146 && TUI_DATA_WIN->detail.data_display_info.data_content_count > 0)
153 /* Function to display the data starting at line, line_no, in the data
156 tui_display_data_from_line (int line_no)
158 int _line_no = line_no;
163 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
165 /* There is no general data, force regs to display (if there are
167 if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0)
168 tui_display_registers_from_line (_line_no, TRUE);
171 int regs_last_line = tui_last_regs_line_no ();
174 /* Display regs if we can. */
175 if (tui_display_registers_from_line (_line_no, FALSE) < 0)
176 { /* _line_no is past the regs display, so calc where the
177 start data element is. */
178 if (regs_last_line < _line_no)
179 { /* Figure out how many lines each element is to obtain
180 the start element_no. */
184 { /* Calculate the starting element of the data display, given
185 regs_last_line and how many lines each element is, up to
188 /* Now display the data , starting at element_no. */
193 /* Display data starting at element element_no. */
195 tui_display_data_from (int element_no, int reuse_windows)
197 int first_line = (-1);
199 if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count)
200 first_line = tui_line_from_reg_element_no (element_no);
202 { /* Calculate the first_line from the element number. */
207 tui_erase_data_content ((char *) NULL);
209 tui_delete_data_content_windows ();
210 tui_display_data_from_line (first_line);
215 /* Function to redisplay the contents of the data window. */
217 tui_refresh_data_win (void)
219 tui_erase_data_content ((char *) NULL);
220 if (TUI_DATA_WIN->generic.content_size > 0)
222 int first_element = tui_first_data_item_displayed ();
224 if (first_element >= 0) /* Re-use existing windows. */
225 tui_display_data_from (first_element, TRUE);
230 /* Function to check the data values and hilite any that have
233 tui_check_data_values (struct frame_info *frame)
235 tui_check_register_values (frame);
237 /* Now check any other data values that there are. */
238 if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible)
243 TUI_DATA_WIN->detail.data_display_info.data_content_count;
247 tui_data_element_ptr data_element_ptr;
248 struct tui_gen_win_info *data_item_win_ptr;
251 data_item_ptr = &TUI_DATA_WIN->detail.data_display_info.
252 data_content[i]->which_element.data_window;
253 data_element_ptr = &((tui_win_content)
254 data_item_win_ptr->content)[0]->which_element.data;
256 has changed (data_element_ptr, frame, &new_value)
258 data_element_ptr->value = new_value;
259 update the display with the new value, hiliting it.
267 /* Scroll the data window vertically forward or backward. */
269 tui_vertical_data_scroll (enum tui_scroll_direction scroll_direction,
272 int first_element_no;
273 int first_line = (-1);
275 first_element_no = tui_first_data_item_displayed ();
276 if (first_element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count)
277 first_line = tui_line_from_reg_element_no (first_element_no);
279 { /* Calculate the first line from the element number which is in
280 the general data content. */
285 if (scroll_direction == FORWARD_SCROLL)
286 first_line += num_to_scroll;
288 first_line -= num_to_scroll;
289 tui_erase_data_content ((char *) NULL);
290 tui_delete_data_content_windows ();
291 tui_display_data_from_line (first_line);
296 /*****************************************
297 ** STATIC LOCAL FUNCTIONS **
298 ******************************************/