1 /* Data/register window display.
3 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
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 2 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, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330,
23 Boston, MA 02111-1307, USA. */
27 #include "tui/tui-data.h"
28 #include "tui/tui-wingeneral.h"
29 #include "tui/tui-regs.h"
40 /*****************************************
41 ** STATIC LOCAL FUNCTIONS FORWARD DECLS **
42 ******************************************/
46 /*****************************************
47 ** PUBLIC FUNCTIONS **
48 ******************************************/
51 /* Answer the index first element displayed. If none are displayed,
54 tui_first_data_item_displayed (void)
56 int element_no = (-1);
59 for (i = 0; (i < TUI_DATA_WIN->generic.content_size && element_no < 0); i++)
61 struct tui_gen_win_info * data_item_win;
63 data_item_win = &((tui_win_content)
64 TUI_DATA_WIN->generic.content)[i]->which_element.data_window;
65 if (data_item_win->handle != (WINDOW *) NULL && data_item_win->is_visible)
73 /* Answer the index of the first element in line_no. If line_no is
74 past the data area (-1) is returned. */
76 tui_first_data_element_no_in_line (int line_no)
78 int first_element_no = (-1);
81 ** First see if there is a register on line_no, and if so, set the
82 ** first element number
84 if ((first_element_no = tui_first_reg_element_no_inline (line_no)) == -1)
86 ** Looking at the general data, the 1st element on line_no
90 return first_element_no;
94 /* Function to delete all the item windows in the data window. This
95 is usually done when the data window is scrolled. */
97 tui_delete_data_content_windows (void)
100 struct tui_gen_win_info * data_item_win_ptr;
102 for (i = 0; (i < TUI_DATA_WIN->generic.content_size); i++)
104 data_item_win_ptr = &((tui_win_content)
105 TUI_DATA_WIN->generic.content)[i]->which_element.data_window;
106 tui_delete_win (data_item_win_ptr->handle);
107 data_item_win_ptr->handle = (WINDOW *) NULL;
108 data_item_win_ptr->is_visible = FALSE;
114 tui_erase_data_content (char *prompt)
116 werase (TUI_DATA_WIN->generic.handle);
117 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
118 if (prompt != (char *) NULL)
120 int half_width = (TUI_DATA_WIN->generic.width - 2) / 2;
123 if (strlen (prompt) >= half_width)
126 x_pos = half_width - strlen (prompt);
127 mvwaddstr (TUI_DATA_WIN->generic.handle,
128 (TUI_DATA_WIN->generic.height / 2),
132 wrefresh (TUI_DATA_WIN->generic.handle);
136 /* This function displays the data that is in the data window's
137 content. It does not set the content. */
139 tui_display_all_data (void)
141 if (TUI_DATA_WIN->generic.content_size <= 0)
142 tui_erase_data_content (NO_DATA_STRING);
145 tui_erase_data_content ((char *) NULL);
146 tui_delete_data_content_windows ();
147 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
148 tui_display_registers_from (0);
150 ** Then display the other data
152 if (TUI_DATA_WIN->detail.data_display_info.data_content !=
153 (tui_win_content) NULL &&
154 TUI_DATA_WIN->detail.data_display_info.data_content_count > 0)
161 /* Function to display the data starting at line, line_no, in the data
164 tui_display_data_from_line (int line_no)
166 int _line_no = line_no;
171 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
173 /* there is no general data, force regs to display (if there are any) */
174 if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0)
175 tui_display_registers_from_line (_line_no, TRUE);
178 int element_no, start_line_no;
179 int regs_last_line = tui_last_regs_line_no ();
182 /* display regs if we can */
183 if (tui_display_registers_from_line (_line_no, FALSE) < 0)
185 ** _line_no is past the regs display, so calc where the
186 ** start data element is
188 if (regs_last_line < _line_no)
189 { /* figure out how many lines each element is to obtain
190 the start element_no */
195 ** calculate the starting element of the data display, given
196 ** regs_last_line and how many lines each element is, up to
200 /* Now display the data , starting at element_no */
205 /* Display data starting at element element_no. */
207 tui_display_data_from (int element_no, int reuse_windows)
209 int first_line = (-1);
211 if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count)
212 first_line = tui_line_from_reg_element_no (element_no);
214 { /* calculate the first_line from the element number */
219 tui_erase_data_content ((char *) NULL);
221 tui_delete_data_content_windows ();
222 tui_display_data_from_line (first_line);
227 /* Function to redisplay the contents of the data window. */
229 tui_refresh_data_win (void)
231 tui_erase_data_content ((char *) NULL);
232 if (TUI_DATA_WIN->generic.content_size > 0)
234 int first_element = tui_first_data_item_displayed ();
236 if (first_element >= 0) /* re-use existing windows */
237 tui_display_data_from (first_element, TRUE);
242 /* Function to check the data values and hilite any that have changed. */
244 tui_check_data_values (struct frame_info *frame)
246 tui_check_register_values (frame);
248 /* Now check any other data values that there are */
249 if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible)
253 for (i = 0; TUI_DATA_WIN->detail.data_display_info.data_content_count; i++)
256 tui_data_element_ptr data_element_ptr;
257 struct tui_gen_win_info * data_item_win_ptr;
260 data_item_ptr = &TUI_DATA_WIN->detail.data_display_info.
261 data_content[i]->which_element.data_window;
262 data_element_ptr = &((tui_win_content)
263 data_item_win_ptr->content)[0]->which_element.data;
265 has changed (data_element_ptr, frame, &new_value)
267 data_element_ptr->value = new_value;
268 update the display with the new value, hiliting it.
276 /* Scroll the data window vertically forward or backward. */
278 tui_vertical_data_scroll (enum tui_scroll_direction scroll_direction, int num_to_scroll)
280 int first_element_no;
281 int first_line = (-1);
283 first_element_no = tui_first_data_item_displayed ();
284 if (first_element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count)
285 first_line = tui_line_from_reg_element_no (first_element_no);
287 { /* calculate the first line from the element number which is in
288 ** the general data content
294 int last_element_no, last_line;
296 if (scroll_direction == FORWARD_SCROLL)
297 first_line += num_to_scroll;
299 first_line -= num_to_scroll;
300 tui_erase_data_content ((char *) NULL);
301 tui_delete_data_content_windows ();
302 tui_display_data_from_line (first_line);
307 /*****************************************
308 ** STATIC LOCAL FUNCTIONS **
309 ******************************************/