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"
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);
53 for (i
= 0; (i
< TUI_DATA_WIN
->generic
.content_size
&& element_no
< 0); i
++)
55 struct tui_gen_win_info
* data_item_win
;
57 data_item_win
= &((tui_win_content
)
58 TUI_DATA_WIN
->generic
.content
)[i
]->which_element
.data_window
;
59 if (data_item_win
->handle
!= (WINDOW
*) NULL
&& data_item_win
->is_visible
)
67 /* Answer the index of the first element in line_no. If line_no is
68 past the data area (-1) is returned. */
70 tui_first_data_element_no_in_line (int line_no
)
72 int first_element_no
= (-1);
75 ** First see if there is a register on line_no, and if so, set the
76 ** first element number
78 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
84 return first_element_no
;
88 /* Function to delete all the item windows in the data window. This
89 is usually done when the data window is scrolled. */
91 tui_delete_data_content_windows (void)
94 struct tui_gen_win_info
* data_item_win_ptr
;
96 for (i
= 0; (i
< TUI_DATA_WIN
->generic
.content_size
); i
++)
98 data_item_win_ptr
= &((tui_win_content
)
99 TUI_DATA_WIN
->generic
.content
)[i
]->which_element
.data_window
;
100 tui_delete_win (data_item_win_ptr
->handle
);
101 data_item_win_ptr
->handle
= (WINDOW
*) NULL
;
102 data_item_win_ptr
->is_visible
= FALSE
;
108 tui_erase_data_content (char *prompt
)
110 werase (TUI_DATA_WIN
->generic
.handle
);
111 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN
);
112 if (prompt
!= (char *) NULL
)
114 int half_width
= (TUI_DATA_WIN
->generic
.width
- 2) / 2;
117 if (strlen (prompt
) >= half_width
)
120 x_pos
= half_width
- strlen (prompt
);
121 mvwaddstr (TUI_DATA_WIN
->generic
.handle
,
122 (TUI_DATA_WIN
->generic
.height
/ 2),
126 wrefresh (TUI_DATA_WIN
->generic
.handle
);
130 /* This function displays the data that is in the data window's
131 content. It does not set the content. */
133 tui_display_all_data (void)
135 if (TUI_DATA_WIN
->generic
.content_size
<= 0)
136 tui_erase_data_content (NO_DATA_STRING
);
139 tui_erase_data_content ((char *) NULL
);
140 tui_delete_data_content_windows ();
141 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN
);
142 tui_display_registers_from (0);
144 ** Then display the other data
146 if (TUI_DATA_WIN
->detail
.data_display_info
.data_content
!=
147 (tui_win_content
) NULL
&&
148 TUI_DATA_WIN
->detail
.data_display_info
.data_content_count
> 0)
155 /* Function to display the data starting at line, line_no, in the data
158 tui_display_data_from_line (int line_no
)
160 int _line_no
= line_no
;
165 tui_check_and_display_highlight_if_needed (TUI_DATA_WIN
);
167 /* there is no general data, force regs to display (if there are any) */
168 if (TUI_DATA_WIN
->detail
.data_display_info
.data_content_count
<= 0)
169 tui_display_registers_from_line (_line_no
, TRUE
);
172 int element_no
, start_line_no
;
173 int regs_last_line
= tui_last_regs_line_no ();
176 /* display regs if we can */
177 if (tui_display_registers_from_line (_line_no
, FALSE
) < 0)
179 ** _line_no is past the regs display, so calc where the
180 ** start data element is
182 if (regs_last_line
< _line_no
)
183 { /* figure out how many lines each element is to obtain
184 the start element_no */
189 ** calculate the starting element of the data display, given
190 ** regs_last_line and how many lines each element is, up to
194 /* Now display the data , starting at element_no */
199 /* Display data starting at element element_no. */
201 tui_display_data_from (int element_no
, int reuse_windows
)
203 int first_line
= (-1);
205 if (element_no
< TUI_DATA_WIN
->detail
.data_display_info
.regs_content_count
)
206 first_line
= tui_line_from_reg_element_no (element_no
);
208 { /* calculate the first_line from the element number */
213 tui_erase_data_content ((char *) NULL
);
215 tui_delete_data_content_windows ();
216 tui_display_data_from_line (first_line
);
221 /* Function to redisplay the contents of the data window. */
223 tui_refresh_data_win (void)
225 tui_erase_data_content ((char *) NULL
);
226 if (TUI_DATA_WIN
->generic
.content_size
> 0)
228 int first_element
= tui_first_data_item_displayed ();
230 if (first_element
>= 0) /* re-use existing windows */
231 tui_display_data_from (first_element
, TRUE
);
236 /* Function to check the data values and hilite any that have changed. */
238 tui_check_data_values (struct frame_info
*frame
)
240 tui_check_register_values (frame
);
242 /* Now check any other data values that there are */
243 if (TUI_DATA_WIN
!= NULL
&& TUI_DATA_WIN
->generic
.is_visible
)
247 for (i
= 0; TUI_DATA_WIN
->detail
.data_display_info
.data_content_count
; i
++)
250 tui_data_element_ptr data_element_ptr
;
251 struct tui_gen_win_info
* data_item_win_ptr
;
254 data_item_ptr
= &TUI_DATA_WIN
->detail
.data_display_info
.
255 data_content
[i
]->which_element
.data_window
;
256 data_element_ptr
= &((tui_win_content
)
257 data_item_win_ptr
->content
)[0]->which_element
.data
;
259 has
changed (data_element_ptr
, frame
, &new_value
)
261 data_element_ptr
->value
= new_value
;
262 update the display with the
new value
, hiliting it
.
270 /* Scroll the data window vertically forward or backward. */
272 tui_vertical_data_scroll (enum tui_scroll_direction scroll_direction
, int num_to_scroll
)
274 int first_element_no
;
275 int first_line
= (-1);
277 first_element_no
= tui_first_data_item_displayed ();
278 if (first_element_no
< TUI_DATA_WIN
->detail
.data_display_info
.regs_content_count
)
279 first_line
= tui_line_from_reg_element_no (first_element_no
);
281 { /* calculate the first line from the element number which is in
282 ** the general data content
288 int last_element_no
, last_line
;
290 if (scroll_direction
== FORWARD_SCROLL
)
291 first_line
+= num_to_scroll
;
293 first_line
-= num_to_scroll
;
294 tui_erase_data_content ((char *) NULL
);
295 tui_delete_data_content_windows ();
296 tui_display_data_from_line (first_line
);
301 /*****************************************
302 ** STATIC LOCAL FUNCTIONS **
303 ******************************************/