1 /* Data/register window display.
2 Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
3 Contributed by Hewlett-Packard Company.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
28 /*****************************************
29 ** STATIC LOCAL FUNCTIONS FORWARD DECLS **
30 ******************************************/
34 /*****************************************
35 ** PUBLIC FUNCTIONS **
36 ******************************************/
40 ** tuiFirstDataItemDisplayed()
41 ** Answer the index first element displayed.
42 ** If none are displayed, then return (-1).
45 tuiFirstDataItemDisplayed (void)
50 for (i
= 0; (i
< dataWin
->generic
.contentSize
&& elementNo
< 0); i
++)
52 TuiGenWinInfoPtr dataItemWin
;
54 dataItemWin
= &((TuiWinContent
)
55 dataWin
->generic
.content
)[i
]->whichElement
.dataWindow
;
56 if (dataItemWin
->handle
!= (WINDOW
*) NULL
&& dataItemWin
->isVisible
)
61 } /* tuiFirstDataItemDisplayed */
65 ** tuiFirstDataElementNoInLine()
66 ** Answer the index of the first element in lineNo. If lineNo is
67 ** past the data area (-1) is returned.
70 tuiFirstDataElementNoInLine (int lineNo
)
72 int firstElementNo
= (-1);
75 ** First see if there is a register on lineNo, and if so, set the
76 ** first element number
78 if ((firstElementNo
= tuiFirstRegElementNoInLine (lineNo
)) == -1)
80 ** Looking at the general data, the 1st element on lineNo
84 return firstElementNo
;
85 } /* tuiFirstDataElementNoInLine */
89 ** tuiDeleteDataContentWindows()
90 ** Function to delete all the item windows in the data window.
91 ** This is usually done when the data window is scrolled.
94 tuiDeleteDataContentWindows (void)
97 TuiGenWinInfoPtr dataItemWinPtr
;
99 for (i
= 0; (i
< dataWin
->generic
.contentSize
); i
++)
101 dataItemWinPtr
= &((TuiWinContent
)
102 dataWin
->generic
.content
)[i
]->whichElement
.dataWindow
;
103 tuiDelwin (dataItemWinPtr
->handle
);
104 dataItemWinPtr
->handle
= (WINDOW
*) NULL
;
105 dataItemWinPtr
->isVisible
= FALSE
;
109 } /* tuiDeleteDataContentWindows */
113 tuiEraseDataContent (char *prompt
)
115 werase (dataWin
->generic
.handle
);
116 checkAndDisplayHighlightIfNeeded (dataWin
);
117 if (prompt
!= (char *) NULL
)
119 int halfWidth
= (dataWin
->generic
.width
- 2) / 2;
122 if (strlen (prompt
) >= halfWidth
)
125 xPos
= halfWidth
- strlen (prompt
);
126 mvwaddstr (dataWin
->generic
.handle
,
127 (dataWin
->generic
.height
/ 2),
131 wrefresh (dataWin
->generic
.handle
);
134 } /* tuiEraseDataContent */
138 ** tuiDisplayAllData().
139 ** This function displays the data that is in the data window's
140 ** content. It does not set the content.
143 tuiDisplayAllData (void)
145 if (dataWin
->generic
.contentSize
<= 0)
146 tuiEraseDataContent (NO_DATA_STRING
);
149 tuiEraseDataContent ((char *) NULL
);
150 tuiDeleteDataContentWindows ();
151 checkAndDisplayHighlightIfNeeded (dataWin
);
152 tuiDisplayRegistersFrom (0);
154 ** Then display the other data
156 if (dataWin
->detail
.dataDisplayInfo
.dataContent
!=
157 (TuiWinContent
) NULL
&&
158 dataWin
->detail
.dataDisplayInfo
.dataContentCount
> 0)
163 } /* tuiDisplayAllData */
167 ** tuiDisplayDataFromLine()
168 ** Function to display the data starting at line, lineNo, in the
172 tuiDisplayDataFromLine (int lineNo
)
174 int _lineNo
= lineNo
;
179 checkAndDisplayHighlightIfNeeded (dataWin
);
181 /* there is no general data, force regs to display (if there are any) */
182 if (dataWin
->detail
.dataDisplayInfo
.dataContentCount
<= 0)
183 tuiDisplayRegistersFromLine (_lineNo
, TRUE
);
186 int elementNo
, startLineNo
;
187 int regsLastLine
= tuiLastRegsLineNo ();
190 /* display regs if we can */
191 if (tuiDisplayRegistersFromLine (_lineNo
, FALSE
) < 0)
193 ** _lineNo is past the regs display, so calc where the
194 ** start data element is
196 if (regsLastLine
< _lineNo
)
197 { /* figure out how many lines each element is to obtain
198 the start elementNo */
203 ** calculate the starting element of the data display, given
204 ** regsLastLine and how many lines each element is, up to
208 /* Now display the data , starting at elementNo */
212 } /* tuiDisplayDataFromLine */
216 ** tuiDisplayDataFrom()
217 ** Display data starting at element elementNo
220 tuiDisplayDataFrom (int elementNo
, int reuseWindows
)
222 int firstLine
= (-1);
224 if (elementNo
< dataWin
->detail
.dataDisplayInfo
.regsContentCount
)
225 firstLine
= tuiLineFromRegElementNo (elementNo
);
227 { /* calculate the firstLine from the element number */
232 tuiEraseDataContent ((char *) NULL
);
234 tuiDeleteDataContentWindows ();
235 tuiDisplayDataFromLine (firstLine
);
239 } /* tuiDisplayDataFrom */
243 ** tuiRefreshDataWin()
244 ** Function to redisplay the contents of the data window.
247 tuiRefreshDataWin (void)
249 tuiEraseDataContent ((char *) NULL
);
250 if (dataWin
->generic
.contentSize
> 0)
252 int firstElement
= tuiFirstDataItemDisplayed ();
254 if (firstElement
>= 0) /* re-use existing windows */
255 tuiDisplayDataFrom (firstElement
, TRUE
);
259 } /* tuiRefreshDataWin */
263 ** tuiCheckDataValues().
264 ** Function to check the data values and hilite any that have changed
267 tuiCheckDataValues (struct frame_info
*frame
)
269 tuiCheckRegisterValues (frame
);
271 /* Now check any other data values that there are */
272 if (m_winPtrNotNull (dataWin
) && dataWin
->generic
.isVisible
)
276 for (i
= 0; dataWin
->detail
.dataDisplayInfo
.dataContentCount
; i
++)
279 TuiDataElementPtr dataElementPtr
;
280 TuiGenWinInfoPtr dataItemWinPtr
;
283 dataItemPtr
= &dataWin
->detail
.dataDisplayInfo
.
284 dataContent
[i
]->whichElement
.dataWindow
;
285 dataElementPtr
= &((TuiWinContent
)
286 dataItemWinPtr
->content
)[0]->whichElement
.data
;
288 has
changed (dataElementPtr
, frame
, &newValue
)
290 dataElementPtr
->value
= newValue
;
291 update the display with the
new value
, hiliting it
.
296 } /* tuiCheckDataValues */
300 ** tui_vCheckDataValues().
301 ** Function to check the data values and hilite any that have
302 ** changed with args in a va_list
305 tui_vCheckDataValues (va_list args
)
307 struct frame_info
*frame
= va_arg (args
, struct frame_info
*);
309 tuiCheckDataValues (frame
);
312 } /* tui_vCheckDataValues */
316 ** tuiVerticalDataScroll()
317 ** Scroll the data window vertically forward or backward.
320 tuiVerticalDataScroll (TuiScrollDirection scrollDirection
, int numToScroll
)
323 int firstLine
= (-1);
325 firstElementNo
= tuiFirstDataItemDisplayed ();
326 if (firstElementNo
< dataWin
->detail
.dataDisplayInfo
.regsContentCount
)
327 firstLine
= tuiLineFromRegElementNo (firstElementNo
);
329 { /* calculate the first line from the element number which is in
330 ** the general data content
336 int lastElementNo
, lastLine
;
338 if (scrollDirection
== FORWARD_SCROLL
)
339 firstLine
+= numToScroll
;
341 firstLine
-= numToScroll
;
342 tuiEraseDataContent ((char *) NULL
);
343 tuiDeleteDataContentWindows ();
344 tuiDisplayDataFromLine (firstLine
);
348 } /* tuiVerticalDataScroll */
351 /*****************************************
352 ** STATIC LOCAL FUNCTIONS **
353 ******************************************/