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. */
25 #include "tuiGeneralWin.h"
29 /*****************************************
30 ** STATIC LOCAL FUNCTIONS FORWARD DECLS **
31 ******************************************/
35 /*****************************************
36 ** PUBLIC FUNCTIONS **
37 ******************************************/
41 ** tuiFirstDataItemDisplayed()
42 ** Answer the index first element displayed.
43 ** If none are displayed, then return (-1).
46 tuiFirstDataItemDisplayed (void)
51 for (i = 0; (i < dataWin->generic.contentSize && elementNo < 0); i++)
53 TuiGenWinInfoPtr dataItemWin;
55 dataItemWin = &((TuiWinContent)
56 dataWin->generic.content)[i]->whichElement.dataWindow;
57 if (dataItemWin->handle != (WINDOW *) NULL && dataItemWin->isVisible)
62 } /* tuiFirstDataItemDisplayed */
66 ** tuiFirstDataElementNoInLine()
67 ** Answer the index of the first element in lineNo. If lineNo is
68 ** past the data area (-1) is returned.
71 tuiFirstDataElementNoInLine (int lineNo)
73 int firstElementNo = (-1);
76 ** First see if there is a register on lineNo, and if so, set the
77 ** first element number
79 if ((firstElementNo = tuiFirstRegElementNoInLine (lineNo)) == -1)
81 ** Looking at the general data, the 1st element on lineNo
85 return firstElementNo;
86 } /* tuiFirstDataElementNoInLine */
90 ** tuiDeleteDataContentWindows()
91 ** Function to delete all the item windows in the data window.
92 ** This is usually done when the data window is scrolled.
95 tuiDeleteDataContentWindows (void)
98 TuiGenWinInfoPtr dataItemWinPtr;
100 for (i = 0; (i < dataWin->generic.contentSize); i++)
102 dataItemWinPtr = &((TuiWinContent)
103 dataWin->generic.content)[i]->whichElement.dataWindow;
104 tuiDelwin (dataItemWinPtr->handle);
105 dataItemWinPtr->handle = (WINDOW *) NULL;
106 dataItemWinPtr->isVisible = FALSE;
110 } /* tuiDeleteDataContentWindows */
114 tuiEraseDataContent (char *prompt)
116 werase (dataWin->generic.handle);
117 checkAndDisplayHighlightIfNeeded (dataWin);
118 if (prompt != (char *) NULL)
120 int halfWidth = (dataWin->generic.width - 2) / 2;
123 if (strlen (prompt) >= halfWidth)
126 xPos = halfWidth - strlen (prompt);
127 mvwaddstr (dataWin->generic.handle,
128 (dataWin->generic.height / 2),
132 wrefresh (dataWin->generic.handle);
135 } /* tuiEraseDataContent */
139 ** tuiDisplayAllData().
140 ** This function displays the data that is in the data window's
141 ** content. It does not set the content.
144 tuiDisplayAllData (void)
146 if (dataWin->generic.contentSize <= 0)
147 tuiEraseDataContent (NO_DATA_STRING);
150 tuiEraseDataContent ((char *) NULL);
151 tuiDeleteDataContentWindows ();
152 checkAndDisplayHighlightIfNeeded (dataWin);
153 tuiDisplayRegistersFrom (0);
155 ** Then display the other data
157 if (dataWin->detail.dataDisplayInfo.dataContent !=
158 (TuiWinContent) NULL &&
159 dataWin->detail.dataDisplayInfo.dataContentCount > 0)
164 } /* tuiDisplayAllData */
168 ** tuiDisplayDataFromLine()
169 ** Function to display the data starting at line, lineNo, in the
173 tuiDisplayDataFromLine (int lineNo)
175 int _lineNo = lineNo;
180 checkAndDisplayHighlightIfNeeded (dataWin);
182 /* there is no general data, force regs to display (if there are any) */
183 if (dataWin->detail.dataDisplayInfo.dataContentCount <= 0)
184 tuiDisplayRegistersFromLine (_lineNo, TRUE);
187 int elementNo, startLineNo;
188 int regsLastLine = tuiLastRegsLineNo ();
191 /* display regs if we can */
192 if (tuiDisplayRegistersFromLine (_lineNo, FALSE) < 0)
194 ** _lineNo is past the regs display, so calc where the
195 ** start data element is
197 if (regsLastLine < _lineNo)
198 { /* figure out how many lines each element is to obtain
199 the start elementNo */
204 ** calculate the starting element of the data display, given
205 ** regsLastLine and how many lines each element is, up to
209 /* Now display the data , starting at elementNo */
213 } /* tuiDisplayDataFromLine */
217 ** tuiDisplayDataFrom()
218 ** Display data starting at element elementNo
221 tuiDisplayDataFrom (int elementNo, int reuseWindows)
223 int firstLine = (-1);
225 if (elementNo < dataWin->detail.dataDisplayInfo.regsContentCount)
226 firstLine = tuiLineFromRegElementNo (elementNo);
228 { /* calculate the firstLine from the element number */
233 tuiEraseDataContent ((char *) NULL);
235 tuiDeleteDataContentWindows ();
236 tuiDisplayDataFromLine (firstLine);
240 } /* tuiDisplayDataFrom */
244 ** tuiRefreshDataWin()
245 ** Function to redisplay the contents of the data window.
248 tuiRefreshDataWin (void)
250 tuiEraseDataContent ((char *) NULL);
251 if (dataWin->generic.contentSize > 0)
253 int firstElement = tuiFirstDataItemDisplayed ();
255 if (firstElement >= 0) /* re-use existing windows */
256 tuiDisplayDataFrom (firstElement, TRUE);
260 } /* tuiRefreshDataWin */
264 ** tuiCheckDataValues().
265 ** Function to check the data values and hilite any that have changed
268 tuiCheckDataValues (struct frame_info *frame)
270 tuiCheckRegisterValues (frame);
272 /* Now check any other data values that there are */
273 if (m_winPtrNotNull (dataWin) && dataWin->generic.isVisible)
277 for (i = 0; dataWin->detail.dataDisplayInfo.dataContentCount; i++)
280 TuiDataElementPtr dataElementPtr;
281 TuiGenWinInfoPtr dataItemWinPtr;
284 dataItemPtr = &dataWin->detail.dataDisplayInfo.
285 dataContent[i]->whichElement.dataWindow;
286 dataElementPtr = &((TuiWinContent)
287 dataItemWinPtr->content)[0]->whichElement.data;
289 has changed (dataElementPtr, frame, &newValue)
291 dataElementPtr->value = newValue;
292 update the display with the new value, hiliting it.
297 } /* tuiCheckDataValues */
301 ** tuiVerticalDataScroll()
302 ** Scroll the data window vertically forward or backward.
305 tuiVerticalDataScroll (TuiScrollDirection scrollDirection, int numToScroll)
308 int firstLine = (-1);
310 firstElementNo = tuiFirstDataItemDisplayed ();
311 if (firstElementNo < dataWin->detail.dataDisplayInfo.regsContentCount)
312 firstLine = tuiLineFromRegElementNo (firstElementNo);
314 { /* calculate the first line from the element number which is in
315 ** the general data content
321 int lastElementNo, lastLine;
323 if (scrollDirection == FORWARD_SCROLL)
324 firstLine += numToScroll;
326 firstLine -= numToScroll;
327 tuiEraseDataContent ((char *) NULL);
328 tuiDeleteDataContentWindows ();
329 tuiDisplayDataFromLine (firstLine);
333 } /* tuiVerticalDataScroll */
336 /*****************************************
337 ** STATIC LOCAL FUNCTIONS **
338 ******************************************/