Initial creation of sourceware repository
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Stan Shebs
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cd946cff9e
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c906108c21
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400
gdb/tui/tuiDataWin.c
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400
gdb/tui/tuiDataWin.c
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/*
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** tuiDataWin.c
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** This module contains functions to support the data/register window display.
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*/
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#include "defs.h"
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#include "tui.h"
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#include "tuiData.h"
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#include "tuiRegs.h"
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/*****************************************
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** STATIC LOCAL FUNCTIONS FORWARD DECLS **
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******************************************/
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/*****************************************
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** PUBLIC FUNCTIONS **
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******************************************/
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/*
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** tuiFirstDataItemDisplayed()
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** Answer the index first element displayed.
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** If none are displayed, then return (-1).
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*/
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int
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#ifdef __STDC__
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tuiFirstDataItemDisplayed (void)
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#else
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tuiFirstDataItemDisplayed ()
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#endif
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{
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int elementNo = (-1);
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int i;
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for (i = 0; (i < dataWin->generic.contentSize && elementNo < 0); i++)
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{
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TuiGenWinInfoPtr dataItemWin;
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dataItemWin = &((TuiWinContent)
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dataWin->generic.content)[i]->whichElement.dataWindow;
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if (dataItemWin->handle != (WINDOW *) NULL && dataItemWin->isVisible)
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elementNo = i;
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}
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return elementNo;
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} /* tuiFirstDataItemDisplayed */
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/*
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** tuiFirstDataElementNoInLine()
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** Answer the index of the first element in lineNo. If lineNo is
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** past the data area (-1) is returned.
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*/
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int
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#ifdef __STDC__
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tuiFirstDataElementNoInLine (
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int lineNo)
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#else
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tuiFirstDataElementNoInLine (lineNo)
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int lineNo;
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#endif
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{
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int firstElementNo = (-1);
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/*
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** First see if there is a register on lineNo, and if so, set the
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** first element number
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*/
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if ((firstElementNo = tuiFirstRegElementNoInLine (lineNo)) == -1)
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{ /*
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** Looking at the general data, the 1st element on lineNo
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*/
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}
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return firstElementNo;
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} /* tuiFirstDataElementNoInLine */
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/*
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** tuiDeleteDataContentWindows()
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** Function to delete all the item windows in the data window.
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** This is usually done when the data window is scrolled.
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*/
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void
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#ifdef __STDC__
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tuiDeleteDataContentWindows (void)
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#else
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tuiDeleteDataContentWindows ()
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#endif
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{
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int i;
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TuiGenWinInfoPtr dataItemWinPtr;
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for (i = 0; (i < dataWin->generic.contentSize); i++)
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{
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dataItemWinPtr = &((TuiWinContent)
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dataWin->generic.content)[i]->whichElement.dataWindow;
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tuiDelwin (dataItemWinPtr->handle);
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dataItemWinPtr->handle = (WINDOW *) NULL;
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dataItemWinPtr->isVisible = FALSE;
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}
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return;
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} /* tuiDeleteDataContentWindows */
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void
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#ifdef __STDC__
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tuiEraseDataContent (
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char *prompt)
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#else
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tuiEraseDataContent (prompt)
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char *prompt;
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#endif
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{
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werase (dataWin->generic.handle);
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checkAndDisplayHighlightIfNeeded (dataWin);
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if (prompt != (char *) NULL)
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{
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int halfWidth = (dataWin->generic.width - 2) / 2;
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int xPos;
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if (strlen (prompt) >= halfWidth)
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xPos = 1;
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else
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xPos = halfWidth - strlen (prompt);
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mvwaddstr (dataWin->generic.handle,
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(dataWin->generic.height / 2),
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xPos,
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prompt);
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}
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wrefresh (dataWin->generic.handle);
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return;
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} /* tuiEraseDataContent */
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/*
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** tuiDisplayAllData().
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** This function displays the data that is in the data window's
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** content. It does not set the content.
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*/
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void
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#ifdef __STDC__
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tuiDisplayAllData (void)
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#else
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tuiDisplayAllData ()
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#endif
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{
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if (dataWin->generic.contentSize <= 0)
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tuiEraseDataContent (NO_DATA_STRING);
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else
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{
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tuiEraseDataContent ((char *) NULL);
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tuiDeleteDataContentWindows ();
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checkAndDisplayHighlightIfNeeded (dataWin);
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tuiDisplayRegistersFrom (0);
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/*
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** Then display the other data
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*/
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if (dataWin->detail.dataDisplayInfo.dataContent !=
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(TuiWinContent) NULL &&
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dataWin->detail.dataDisplayInfo.dataContentCount > 0)
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{
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}
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}
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return;
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} /* tuiDisplayAllData */
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/*
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** tuiDisplayDataFromLine()
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** Function to display the data starting at line, lineNo, in the
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** data window.
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*/
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void
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#ifdef __STDC__
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tuiDisplayDataFromLine (
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int lineNo)
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#else
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tuiDisplayDataFromLine (lineNo)
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int lineNo;
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#endif
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{
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int _lineNo = lineNo;
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if (lineNo < 0)
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_lineNo = 0;
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checkAndDisplayHighlightIfNeeded (dataWin);
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/* there is no general data, force regs to display (if there are any) */
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if (dataWin->detail.dataDisplayInfo.dataContentCount <= 0)
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tuiDisplayRegistersFromLine (_lineNo, TRUE);
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else
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{
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int elementNo, startLineNo;
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int regsLastLine = tuiLastRegsLineNo ();
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/* display regs if we can */
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if (tuiDisplayRegistersFromLine (_lineNo, FALSE) < 0)
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{ /*
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** _lineNo is past the regs display, so calc where the
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** start data element is
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*/
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if (regsLastLine < _lineNo)
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{ /* figure out how many lines each element is to obtain
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the start elementNo */
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}
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}
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else
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{ /*
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** calculate the starting element of the data display, given
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** regsLastLine and how many lines each element is, up to
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** _lineNo
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*/
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}
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/* Now display the data , starting at elementNo */
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}
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return;
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} /* tuiDisplayDataFromLine */
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/*
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** tuiDisplayDataFrom()
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** Display data starting at element elementNo
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*/
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void
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#ifdef __STDC__
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tuiDisplayDataFrom (
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int elementNo,
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int reuseWindows)
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#else
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tuiDisplayDataFrom (elementNo, reuseWindows)
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int elementNo;
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int reuseWindows;
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#endif
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{
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int firstLine = (-1);
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if (elementNo < dataWin->detail.dataDisplayInfo.regsContentCount)
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firstLine = tuiLineFromRegElementNo (elementNo);
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else
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{ /* calculate the firstLine from the element number */
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}
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if (firstLine >= 0)
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{
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tuiEraseDataContent ((char *) NULL);
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if (!reuseWindows)
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tuiDeleteDataContentWindows ();
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tuiDisplayDataFromLine (firstLine);
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}
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return;
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} /* tuiDisplayDataFrom */
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/*
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** tuiRefreshDataWin()
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** Function to redisplay the contents of the data window.
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*/
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void
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#ifdef __STDC__
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tuiRefreshDataWin (void)
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#else
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tuiRefreshDataWin ()
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#endif
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{
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tuiEraseDataContent ((char *) NULL);
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if (dataWin->generic.contentSize > 0)
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{
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int firstElement = tuiFirstDataItemDisplayed ();
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if (firstElement >= 0) /* re-use existing windows */
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tuiDisplayDataFrom (firstElement, TRUE);
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}
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return;
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} /* tuiRefreshDataWin */
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/*
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** tuiCheckDataValues().
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** Function to check the data values and hilite any that have changed
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*/
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void
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#ifdef __STDC__
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tuiCheckDataValues (
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struct frame_info *frame)
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#else
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tuiCheckDataValues (frame)
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struct frame_info *frame;
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#endif
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{
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tuiCheckRegisterValues (frame);
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/* Now check any other data values that there are */
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if (m_winPtrNotNull (dataWin) && dataWin->generic.isVisible)
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{
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int i;
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for (i = 0; dataWin->detail.dataDisplayInfo.dataContentCount; i++)
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{
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#ifdef LATER
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TuiDataElementPtr dataElementPtr;
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TuiGenWinInfoPtr dataItemWinPtr;
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Opaque newValue;
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dataItemPtr = &dataWin->detail.dataDisplayInfo.
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dataContent[i]->whichElement.dataWindow;
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dataElementPtr = &((TuiWinContent)
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dataItemWinPtr->content)[0]->whichElement.data;
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if value
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has changed (dataElementPtr, frame, &newValue)
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{
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dataElementPtr->value = newValue;
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update the display with the new value, hiliting it.
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}
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#endif
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}
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}
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} /* tuiCheckDataValues */
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/*
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** tui_vCheckDataValues().
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** Function to check the data values and hilite any that have
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** changed with args in a va_list
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*/
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void
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#ifdef __STDC__
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tui_vCheckDataValues (
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va_list args)
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#else
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tui_vCheckDataValues (args)
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va_list args;
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#endif
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{
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struct frame_info *frame = va_arg (args, struct frame_info *);
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tuiCheckDataValues (frame);
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return;
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} /* tui_vCheckDataValues */
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/*
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** tuiVerticalDataScroll()
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** Scroll the data window vertically forward or backward.
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*/
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void
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#ifdef __STDC__
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tuiVerticalDataScroll (
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TuiScrollDirection scrollDirection,
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int numToScroll)
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#else
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tuiVerticalDataScroll (scrollDirection, numToScroll)
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TuiScrollDirection scrollDirection;
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int numToScroll;
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#endif
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{
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int firstElementNo;
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int firstLine = (-1);
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firstElementNo = tuiFirstDataItemDisplayed ();
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if (firstElementNo < dataWin->detail.dataDisplayInfo.regsContentCount)
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firstLine = tuiLineFromRegElementNo (firstElementNo);
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else
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{ /* calculate the first line from the element number which is in
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** the general data content
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*/
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}
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if (firstLine >= 0)
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{
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int lastElementNo, lastLine;
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if (scrollDirection == FORWARD_SCROLL)
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firstLine += numToScroll;
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else
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firstLine -= numToScroll;
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tuiEraseDataContent ((char *) NULL);
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tuiDeleteDataContentWindows ();
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tuiDisplayDataFromLine (firstLine);
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}
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return;
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} /* tuiVerticalDataScroll */
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/*****************************************
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** STATIC LOCAL FUNCTIONS **
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******************************************/
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