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 ******************************************/
52 ** tuiFirstDataItemDisplayed()
53 ** Answer the index first element displayed.
54 ** If none are displayed, then return (-1).
57 tuiFirstDataItemDisplayed (void)
62 for (i
= 0; (i
< dataWin
->generic
.contentSize
&& elementNo
< 0); i
++)
64 struct tui_gen_win_info
* dataItemWin
;
66 dataItemWin
= &((tui_win_content
)
67 dataWin
->generic
.content
)[i
]->whichElement
.dataWindow
;
68 if (dataItemWin
->handle
!= (WINDOW
*) NULL
&& dataItemWin
->isVisible
)
73 } /* tuiFirstDataItemDisplayed */
77 ** tuiFirstDataElementNoInLine()
78 ** Answer the index of the first element in lineNo. If lineNo is
79 ** past the data area (-1) is returned.
82 tuiFirstDataElementNoInLine (int lineNo
)
84 int firstElementNo
= (-1);
87 ** First see if there is a register on lineNo, and if so, set the
88 ** first element number
90 if ((firstElementNo
= tui_first_reg_element_no_inline (lineNo
)) == -1)
92 ** Looking at the general data, the 1st element on lineNo
96 return firstElementNo
;
97 } /* tuiFirstDataElementNoInLine */
101 ** tuiDeleteDataContentWindows()
102 ** Function to delete all the item windows in the data window.
103 ** This is usually done when the data window is scrolled.
106 tuiDeleteDataContentWindows (void)
109 struct tui_gen_win_info
* dataItemWinPtr
;
111 for (i
= 0; (i
< dataWin
->generic
.contentSize
); i
++)
113 dataItemWinPtr
= &((tui_win_content
)
114 dataWin
->generic
.content
)[i
]->whichElement
.dataWindow
;
115 tui_delete_win (dataItemWinPtr
->handle
);
116 dataItemWinPtr
->handle
= (WINDOW
*) NULL
;
117 dataItemWinPtr
->isVisible
= FALSE
;
121 } /* tuiDeleteDataContentWindows */
125 tui_erase_data_content (char *prompt
)
127 werase (dataWin
->generic
.handle
);
128 tui_check_and_display_highlight_if_needed (dataWin
);
129 if (prompt
!= (char *) NULL
)
131 int halfWidth
= (dataWin
->generic
.width
- 2) / 2;
134 if (strlen (prompt
) >= halfWidth
)
137 xPos
= halfWidth
- strlen (prompt
);
138 mvwaddstr (dataWin
->generic
.handle
,
139 (dataWin
->generic
.height
/ 2),
143 wrefresh (dataWin
->generic
.handle
);
147 /* This function displays the data that is in the data window's
148 content. It does not set the content. */
150 tui_display_all_data (void)
152 if (dataWin
->generic
.contentSize
<= 0)
153 tui_erase_data_content (NO_DATA_STRING
);
156 tui_erase_data_content ((char *) NULL
);
157 tuiDeleteDataContentWindows ();
158 tui_check_and_display_highlight_if_needed (dataWin
);
159 tui_display_registers_from (0);
161 ** Then display the other data
163 if (dataWin
->detail
.dataDisplayInfo
.dataContent
!=
164 (tui_win_content
) NULL
&&
165 dataWin
->detail
.dataDisplayInfo
.dataContentCount
> 0)
173 ** tuiDisplayDataFromLine()
174 ** Function to display the data starting at line, lineNo, in the
178 tuiDisplayDataFromLine (int lineNo
)
180 int _lineNo
= lineNo
;
185 tui_check_and_display_highlight_if_needed (dataWin
);
187 /* there is no general data, force regs to display (if there are any) */
188 if (dataWin
->detail
.dataDisplayInfo
.dataContentCount
<= 0)
189 tui_display_registers_from_line (_lineNo
, TRUE
);
192 int elementNo
, startLineNo
;
193 int regsLastLine
= tui_last_regs_line_no ();
196 /* display regs if we can */
197 if (tui_display_registers_from_line (_lineNo
, FALSE
) < 0)
199 ** _lineNo is past the regs display, so calc where the
200 ** start data element is
202 if (regsLastLine
< _lineNo
)
203 { /* figure out how many lines each element is to obtain
204 the start elementNo */
209 ** calculate the starting element of the data display, given
210 ** regsLastLine and how many lines each element is, up to
214 /* Now display the data , starting at elementNo */
218 } /* tuiDisplayDataFromLine */
222 ** tuiDisplayDataFrom()
223 ** Display data starting at element elementNo
226 tuiDisplayDataFrom (int elementNo
, int reuseWindows
)
228 int firstLine
= (-1);
230 if (elementNo
< dataWin
->detail
.dataDisplayInfo
.regsContentCount
)
231 firstLine
= tui_line_from_reg_element_no (elementNo
);
233 { /* calculate the firstLine from the element number */
238 tui_erase_data_content ((char *) NULL
);
240 tuiDeleteDataContentWindows ();
241 tuiDisplayDataFromLine (firstLine
);
245 } /* tuiDisplayDataFrom */
248 /* Function to redisplay the contents of the data window. */
250 tui_refresh_data_win (void)
252 tui_erase_data_content ((char *) NULL
);
253 if (dataWin
->generic
.contentSize
> 0)
255 int firstElement
= tuiFirstDataItemDisplayed ();
257 if (firstElement
>= 0) /* re-use existing windows */
258 tuiDisplayDataFrom (firstElement
, TRUE
);
263 /* Function to check the data values and hilite any that have changed. */
265 tui_check_data_values (struct frame_info
*frame
)
267 tui_check_register_values (frame
);
269 /* Now check any other data values that there are */
270 if (m_winPtrNotNull (dataWin
) && dataWin
->generic
.isVisible
)
274 for (i
= 0; dataWin
->detail
.dataDisplayInfo
.dataContentCount
; i
++)
277 TuiDataElementPtr dataElementPtr
;
278 struct tui_gen_win_info
* dataItemWinPtr
;
281 dataItemPtr
= &dataWin
->detail
.dataDisplayInfo
.
282 dataContent
[i
]->whichElement
.dataWindow
;
283 dataElementPtr
= &((tui_win_content
)
284 dataItemWinPtr
->content
)[0]->whichElement
.data
;
286 has
changed (dataElementPtr
, frame
, &newValue
)
288 dataElementPtr
->value
= newValue
;
289 update the display with the
new value
, hiliting it
.
297 /* Scroll the data window vertically forward or backward. */
299 tui_vertical_data_scroll (enum tui_scroll_direction scrollDirection
, int numToScroll
)
302 int firstLine
= (-1);
304 firstElementNo
= tuiFirstDataItemDisplayed ();
305 if (firstElementNo
< dataWin
->detail
.dataDisplayInfo
.regsContentCount
)
306 firstLine
= tui_line_from_reg_element_no (firstElementNo
);
308 { /* calculate the first line from the element number which is in
309 ** the general data content
315 int lastElementNo
, lastLine
;
317 if (scrollDirection
== FORWARD_SCROLL
)
318 firstLine
+= numToScroll
;
320 firstLine
-= numToScroll
;
321 tui_erase_data_content ((char *) NULL
);
322 tuiDeleteDataContentWindows ();
323 tuiDisplayDataFromLine (firstLine
);
327 } /* tuiVerticalDataScroll */
330 /*****************************************
331 ** STATIC LOCAL FUNCTIONS **
332 ******************************************/