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[thirdparty/binutils-gdb.git] / gdb / tui / tuiDataWin.c
1 /*
2 ** tuiDataWin.c
3 ** This module contains functions to support the data/register window display.
4 */
5
6
7 #include "defs.h"
8 #include "tui.h"
9 #include "tuiData.h"
10 #include "tuiRegs.h"
11
12
13 /*****************************************
14 ** STATIC LOCAL FUNCTIONS FORWARD DECLS **
15 ******************************************/
16
17
18
19 /*****************************************
20 ** PUBLIC FUNCTIONS **
21 ******************************************/
22
23
24 /*
25 ** tuiFirstDataItemDisplayed()
26 ** Answer the index first element displayed.
27 ** If none are displayed, then return (-1).
28 */
29 int
30 #ifdef __STDC__
31 tuiFirstDataItemDisplayed (void)
32 #else
33 tuiFirstDataItemDisplayed ()
34 #endif
35 {
36 int elementNo = (-1);
37 int i;
38
39 for (i = 0; (i < dataWin->generic.contentSize && elementNo < 0); i++)
40 {
41 TuiGenWinInfoPtr dataItemWin;
42
43 dataItemWin = &((TuiWinContent)
44 dataWin->generic.content)[i]->whichElement.dataWindow;
45 if (dataItemWin->handle != (WINDOW *) NULL && dataItemWin->isVisible)
46 elementNo = i;
47 }
48
49 return elementNo;
50 } /* tuiFirstDataItemDisplayed */
51
52
53 /*
54 ** tuiFirstDataElementNoInLine()
55 ** Answer the index of the first element in lineNo. If lineNo is
56 ** past the data area (-1) is returned.
57 */
58 int
59 #ifdef __STDC__
60 tuiFirstDataElementNoInLine (
61 int lineNo)
62 #else
63 tuiFirstDataElementNoInLine (lineNo)
64 int lineNo;
65 #endif
66 {
67 int firstElementNo = (-1);
68
69 /*
70 ** First see if there is a register on lineNo, and if so, set the
71 ** first element number
72 */
73 if ((firstElementNo = tuiFirstRegElementNoInLine (lineNo)) == -1)
74 { /*
75 ** Looking at the general data, the 1st element on lineNo
76 */
77 }
78
79 return firstElementNo;
80 } /* tuiFirstDataElementNoInLine */
81
82
83 /*
84 ** tuiDeleteDataContentWindows()
85 ** Function to delete all the item windows in the data window.
86 ** This is usually done when the data window is scrolled.
87 */
88 void
89 #ifdef __STDC__
90 tuiDeleteDataContentWindows (void)
91 #else
92 tuiDeleteDataContentWindows ()
93 #endif
94 {
95 int i;
96 TuiGenWinInfoPtr dataItemWinPtr;
97
98 for (i = 0; (i < dataWin->generic.contentSize); i++)
99 {
100 dataItemWinPtr = &((TuiWinContent)
101 dataWin->generic.content)[i]->whichElement.dataWindow;
102 tuiDelwin (dataItemWinPtr->handle);
103 dataItemWinPtr->handle = (WINDOW *) NULL;
104 dataItemWinPtr->isVisible = FALSE;
105 }
106
107 return;
108 } /* tuiDeleteDataContentWindows */
109
110
111 void
112 #ifdef __STDC__
113 tuiEraseDataContent (
114 char *prompt)
115 #else
116 tuiEraseDataContent (prompt)
117 char *prompt;
118 #endif
119 {
120 werase (dataWin->generic.handle);
121 checkAndDisplayHighlightIfNeeded (dataWin);
122 if (prompt != (char *) NULL)
123 {
124 int halfWidth = (dataWin->generic.width - 2) / 2;
125 int xPos;
126
127 if (strlen (prompt) >= halfWidth)
128 xPos = 1;
129 else
130 xPos = halfWidth - strlen (prompt);
131 mvwaddstr (dataWin->generic.handle,
132 (dataWin->generic.height / 2),
133 xPos,
134 prompt);
135 }
136 wrefresh (dataWin->generic.handle);
137
138 return;
139 } /* tuiEraseDataContent */
140
141
142 /*
143 ** tuiDisplayAllData().
144 ** This function displays the data that is in the data window's
145 ** content. It does not set the content.
146 */
147 void
148 #ifdef __STDC__
149 tuiDisplayAllData (void)
150 #else
151 tuiDisplayAllData ()
152 #endif
153 {
154 if (dataWin->generic.contentSize <= 0)
155 tuiEraseDataContent (NO_DATA_STRING);
156 else
157 {
158 tuiEraseDataContent ((char *) NULL);
159 tuiDeleteDataContentWindows ();
160 checkAndDisplayHighlightIfNeeded (dataWin);
161 tuiDisplayRegistersFrom (0);
162 /*
163 ** Then display the other data
164 */
165 if (dataWin->detail.dataDisplayInfo.dataContent !=
166 (TuiWinContent) NULL &&
167 dataWin->detail.dataDisplayInfo.dataContentCount > 0)
168 {
169 }
170 }
171 return;
172 } /* tuiDisplayAllData */
173
174
175 /*
176 ** tuiDisplayDataFromLine()
177 ** Function to display the data starting at line, lineNo, in the
178 ** data window.
179 */
180 void
181 #ifdef __STDC__
182 tuiDisplayDataFromLine (
183 int lineNo)
184 #else
185 tuiDisplayDataFromLine (lineNo)
186 int lineNo;
187 #endif
188 {
189 int _lineNo = lineNo;
190
191 if (lineNo < 0)
192 _lineNo = 0;
193
194 checkAndDisplayHighlightIfNeeded (dataWin);
195
196 /* there is no general data, force regs to display (if there are any) */
197 if (dataWin->detail.dataDisplayInfo.dataContentCount <= 0)
198 tuiDisplayRegistersFromLine (_lineNo, TRUE);
199 else
200 {
201 int elementNo, startLineNo;
202 int regsLastLine = tuiLastRegsLineNo ();
203
204
205 /* display regs if we can */
206 if (tuiDisplayRegistersFromLine (_lineNo, FALSE) < 0)
207 { /*
208 ** _lineNo is past the regs display, so calc where the
209 ** start data element is
210 */
211 if (regsLastLine < _lineNo)
212 { /* figure out how many lines each element is to obtain
213 the start elementNo */
214 }
215 }
216 else
217 { /*
218 ** calculate the starting element of the data display, given
219 ** regsLastLine and how many lines each element is, up to
220 ** _lineNo
221 */
222 }
223 /* Now display the data , starting at elementNo */
224 }
225
226 return;
227 } /* tuiDisplayDataFromLine */
228
229
230 /*
231 ** tuiDisplayDataFrom()
232 ** Display data starting at element elementNo
233 */
234 void
235 #ifdef __STDC__
236 tuiDisplayDataFrom (
237 int elementNo,
238 int reuseWindows)
239 #else
240 tuiDisplayDataFrom (elementNo, reuseWindows)
241 int elementNo;
242 int reuseWindows;
243 #endif
244 {
245 int firstLine = (-1);
246
247 if (elementNo < dataWin->detail.dataDisplayInfo.regsContentCount)
248 firstLine = tuiLineFromRegElementNo (elementNo);
249 else
250 { /* calculate the firstLine from the element number */
251 }
252
253 if (firstLine >= 0)
254 {
255 tuiEraseDataContent ((char *) NULL);
256 if (!reuseWindows)
257 tuiDeleteDataContentWindows ();
258 tuiDisplayDataFromLine (firstLine);
259 }
260
261 return;
262 } /* tuiDisplayDataFrom */
263
264
265 /*
266 ** tuiRefreshDataWin()
267 ** Function to redisplay the contents of the data window.
268 */
269 void
270 #ifdef __STDC__
271 tuiRefreshDataWin (void)
272 #else
273 tuiRefreshDataWin ()
274 #endif
275 {
276 tuiEraseDataContent ((char *) NULL);
277 if (dataWin->generic.contentSize > 0)
278 {
279 int firstElement = tuiFirstDataItemDisplayed ();
280
281 if (firstElement >= 0) /* re-use existing windows */
282 tuiDisplayDataFrom (firstElement, TRUE);
283 }
284
285 return;
286 } /* tuiRefreshDataWin */
287
288
289 /*
290 ** tuiCheckDataValues().
291 ** Function to check the data values and hilite any that have changed
292 */
293 void
294 #ifdef __STDC__
295 tuiCheckDataValues (
296 struct frame_info *frame)
297 #else
298 tuiCheckDataValues (frame)
299 struct frame_info *frame;
300 #endif
301 {
302 tuiCheckRegisterValues (frame);
303
304 /* Now check any other data values that there are */
305 if (m_winPtrNotNull (dataWin) && dataWin->generic.isVisible)
306 {
307 int i;
308
309 for (i = 0; dataWin->detail.dataDisplayInfo.dataContentCount; i++)
310 {
311 #ifdef LATER
312 TuiDataElementPtr dataElementPtr;
313 TuiGenWinInfoPtr dataItemWinPtr;
314 Opaque newValue;
315
316 dataItemPtr = &dataWin->detail.dataDisplayInfo.
317 dataContent[i]->whichElement.dataWindow;
318 dataElementPtr = &((TuiWinContent)
319 dataItemWinPtr->content)[0]->whichElement.data;
320 if value
321 has changed (dataElementPtr, frame, &newValue)
322 {
323 dataElementPtr->value = newValue;
324 update the display with the new value, hiliting it.
325 }
326 #endif
327 }
328 }
329 } /* tuiCheckDataValues */
330
331
332 /*
333 ** tui_vCheckDataValues().
334 ** Function to check the data values and hilite any that have
335 ** changed with args in a va_list
336 */
337 void
338 #ifdef __STDC__
339 tui_vCheckDataValues (
340 va_list args)
341 #else
342 tui_vCheckDataValues (args)
343 va_list args;
344 #endif
345 {
346 struct frame_info *frame = va_arg (args, struct frame_info *);
347
348 tuiCheckDataValues (frame);
349
350 return;
351 } /* tui_vCheckDataValues */
352
353
354 /*
355 ** tuiVerticalDataScroll()
356 ** Scroll the data window vertically forward or backward.
357 */
358 void
359 #ifdef __STDC__
360 tuiVerticalDataScroll (
361 TuiScrollDirection scrollDirection,
362 int numToScroll)
363 #else
364 tuiVerticalDataScroll (scrollDirection, numToScroll)
365 TuiScrollDirection scrollDirection;
366 int numToScroll;
367 #endif
368 {
369 int firstElementNo;
370 int firstLine = (-1);
371
372 firstElementNo = tuiFirstDataItemDisplayed ();
373 if (firstElementNo < dataWin->detail.dataDisplayInfo.regsContentCount)
374 firstLine = tuiLineFromRegElementNo (firstElementNo);
375 else
376 { /* calculate the first line from the element number which is in
377 ** the general data content
378 */
379 }
380
381 if (firstLine >= 0)
382 {
383 int lastElementNo, lastLine;
384
385 if (scrollDirection == FORWARD_SCROLL)
386 firstLine += numToScroll;
387 else
388 firstLine -= numToScroll;
389 tuiEraseDataContent ((char *) NULL);
390 tuiDeleteDataContentWindows ();
391 tuiDisplayDataFromLine (firstLine);
392 }
393
394 return;
395 } /* tuiVerticalDataScroll */
396
397
398 /*****************************************
399 ** STATIC LOCAL FUNCTIONS **
400 ******************************************/