binutils-gdb/gdb/tui/tuiDataWin.c

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/* Data/register window display.
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Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation,
Inc.
Contributed by Hewlett-Packard Company.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
2002-03-01 07:19:28 +01:00
/* FIXME: cagney/2002-02-28: The GDB coding standard indicates that
"defs.h" should be included first. Unfortunatly some systems
(currently Debian GNU/Linux) include the <stdbool.h> via <curses.h>
and they clash with "bfd.h"'s definiton of true/false. The correct
fix is to remove true/false from "bfd.h", however, until that
happens, hack around it by including "config.h" and <curses.h>
first. */
#include "config.h"
#ifdef HAVE_NCURSES_H
#include <ncurses.h>
#else
#ifdef HAVE_CURSES_H
#include <curses.h>
#endif
#endif
#include "defs.h"
#include "tui.h"
#include "tuiData.h"
#include "tuiGeneralWin.h"
#include "tuiRegs.h"
/*****************************************
** STATIC LOCAL FUNCTIONS FORWARD DECLS **
******************************************/
/*****************************************
** PUBLIC FUNCTIONS **
******************************************/
/*
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** tuiFirstDataItemDisplayed()
** Answer the index first element displayed.
** If none are displayed, then return (-1).
*/
int
tuiFirstDataItemDisplayed (void)
{
int elementNo = (-1);
int i;
for (i = 0; (i < dataWin->generic.contentSize && elementNo < 0); i++)
{
TuiGenWinInfoPtr dataItemWin;
dataItemWin = &((TuiWinContent)
dataWin->generic.content)[i]->whichElement.dataWindow;
if (dataItemWin->handle != (WINDOW *) NULL && dataItemWin->isVisible)
elementNo = i;
}
return elementNo;
} /* tuiFirstDataItemDisplayed */
/*
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** tuiFirstDataElementNoInLine()
** Answer the index of the first element in lineNo. If lineNo is
** past the data area (-1) is returned.
*/
int
tuiFirstDataElementNoInLine (int lineNo)
{
int firstElementNo = (-1);
/*
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** First see if there is a register on lineNo, and if so, set the
** first element number
*/
if ((firstElementNo = tuiFirstRegElementNoInLine (lineNo)) == -1)
{ /*
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** Looking at the general data, the 1st element on lineNo
*/
}
return firstElementNo;
} /* tuiFirstDataElementNoInLine */
/*
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** tuiDeleteDataContentWindows()
** Function to delete all the item windows in the data window.
** This is usually done when the data window is scrolled.
*/
void
tuiDeleteDataContentWindows (void)
{
int i;
TuiGenWinInfoPtr dataItemWinPtr;
for (i = 0; (i < dataWin->generic.contentSize); i++)
{
dataItemWinPtr = &((TuiWinContent)
dataWin->generic.content)[i]->whichElement.dataWindow;
tuiDelwin (dataItemWinPtr->handle);
dataItemWinPtr->handle = (WINDOW *) NULL;
dataItemWinPtr->isVisible = FALSE;
}
return;
} /* tuiDeleteDataContentWindows */
void
tuiEraseDataContent (char *prompt)
{
werase (dataWin->generic.handle);
checkAndDisplayHighlightIfNeeded (dataWin);
if (prompt != (char *) NULL)
{
int halfWidth = (dataWin->generic.width - 2) / 2;
int xPos;
if (strlen (prompt) >= halfWidth)
xPos = 1;
else
xPos = halfWidth - strlen (prompt);
mvwaddstr (dataWin->generic.handle,
(dataWin->generic.height / 2),
xPos,
prompt);
}
wrefresh (dataWin->generic.handle);
return;
} /* tuiEraseDataContent */
/*
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** tuiDisplayAllData().
** This function displays the data that is in the data window's
** content. It does not set the content.
*/
void
tuiDisplayAllData (void)
{
if (dataWin->generic.contentSize <= 0)
tuiEraseDataContent (NO_DATA_STRING);
else
{
tuiEraseDataContent ((char *) NULL);
tuiDeleteDataContentWindows ();
checkAndDisplayHighlightIfNeeded (dataWin);
tuiDisplayRegistersFrom (0);
/*
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** Then display the other data
*/
if (dataWin->detail.dataDisplayInfo.dataContent !=
(TuiWinContent) NULL &&
dataWin->detail.dataDisplayInfo.dataContentCount > 0)
{
}
}
return;
} /* tuiDisplayAllData */
/*
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** tuiDisplayDataFromLine()
** Function to display the data starting at line, lineNo, in the
** data window.
*/
void
tuiDisplayDataFromLine (int lineNo)
{
int _lineNo = lineNo;
if (lineNo < 0)
_lineNo = 0;
checkAndDisplayHighlightIfNeeded (dataWin);
/* there is no general data, force regs to display (if there are any) */
if (dataWin->detail.dataDisplayInfo.dataContentCount <= 0)
tuiDisplayRegistersFromLine (_lineNo, TRUE);
else
{
int elementNo, startLineNo;
int regsLastLine = tuiLastRegsLineNo ();
/* display regs if we can */
if (tuiDisplayRegistersFromLine (_lineNo, FALSE) < 0)
{ /*
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** _lineNo is past the regs display, so calc where the
** start data element is
*/
if (regsLastLine < _lineNo)
{ /* figure out how many lines each element is to obtain
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the start elementNo */
}
}
else
{ /*
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** calculate the starting element of the data display, given
** regsLastLine and how many lines each element is, up to
** _lineNo
*/
}
/* Now display the data , starting at elementNo */
}
return;
} /* tuiDisplayDataFromLine */
/*
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** tuiDisplayDataFrom()
** Display data starting at element elementNo
*/
void
tuiDisplayDataFrom (int elementNo, int reuseWindows)
{
int firstLine = (-1);
if (elementNo < dataWin->detail.dataDisplayInfo.regsContentCount)
firstLine = tuiLineFromRegElementNo (elementNo);
else
{ /* calculate the firstLine from the element number */
}
if (firstLine >= 0)
{
tuiEraseDataContent ((char *) NULL);
if (!reuseWindows)
tuiDeleteDataContentWindows ();
tuiDisplayDataFromLine (firstLine);
}
return;
} /* tuiDisplayDataFrom */
/*
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** tuiRefreshDataWin()
** Function to redisplay the contents of the data window.
*/
void
tuiRefreshDataWin (void)
{
tuiEraseDataContent ((char *) NULL);
if (dataWin->generic.contentSize > 0)
{
int firstElement = tuiFirstDataItemDisplayed ();
if (firstElement >= 0) /* re-use existing windows */
tuiDisplayDataFrom (firstElement, TRUE);
}
return;
} /* tuiRefreshDataWin */
/*
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** tuiCheckDataValues().
** Function to check the data values and hilite any that have changed
*/
void
tuiCheckDataValues (struct frame_info *frame)
{
tuiCheckRegisterValues (frame);
/* Now check any other data values that there are */
if (m_winPtrNotNull (dataWin) && dataWin->generic.isVisible)
{
int i;
for (i = 0; dataWin->detail.dataDisplayInfo.dataContentCount; i++)
{
#ifdef LATER
TuiDataElementPtr dataElementPtr;
TuiGenWinInfoPtr dataItemWinPtr;
Opaque newValue;
dataItemPtr = &dataWin->detail.dataDisplayInfo.
dataContent[i]->whichElement.dataWindow;
dataElementPtr = &((TuiWinContent)
dataItemWinPtr->content)[0]->whichElement.data;
if value
has changed (dataElementPtr, frame, &newValue)
{
dataElementPtr->value = newValue;
update the display with the new value, hiliting it.
}
#endif
}
}
} /* tuiCheckDataValues */
/*
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** tuiVerticalDataScroll()
** Scroll the data window vertically forward or backward.
*/
void
tuiVerticalDataScroll (TuiScrollDirection scrollDirection, int numToScroll)
{
int firstElementNo;
int firstLine = (-1);
firstElementNo = tuiFirstDataItemDisplayed ();
if (firstElementNo < dataWin->detail.dataDisplayInfo.regsContentCount)
firstLine = tuiLineFromRegElementNo (firstElementNo);
else
{ /* calculate the first line from the element number which is in
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** the general data content
*/
}
if (firstLine >= 0)
{
int lastElementNo, lastLine;
if (scrollDirection == FORWARD_SCROLL)
firstLine += numToScroll;
else
firstLine -= numToScroll;
tuiEraseDataContent ((char *) NULL);
tuiDeleteDataContentWindows ();
tuiDisplayDataFromLine (firstLine);
}
return;
} /* tuiVerticalDataScroll */
/*****************************************
** STATIC LOCAL FUNCTIONS **
******************************************/