binutils-gdb/gdb/tui/tuiCommand.c

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/*
** tuiCommand.c
** This module contains functions specific to command window processing.
*/
#include "defs.h"
#include "tui.h"
#include "tuiData.h"
#include "tuiWin.h"
#include "tuiIO.h"
/*****************************************
** STATIC LOCAL FUNCTIONS FORWARD DECLS **
******************************************/
/*****************************************
** PUBLIC FUNCTIONS **
******************************************/
/*
** tuiDispatchCtrlChar().
** Dispatch the correct tui function based upon the control character.
*/
unsigned int
#ifdef __STDC__
tuiDispatchCtrlChar (
unsigned int ch)
#else
tuiDispatchCtrlChar (ch)
unsigned int ch;
#endif
{
TuiWinInfoPtr winInfo = tuiWinWithFocus ();
/*
** If the command window has the logical focus, or no-one does
** assume it is the command window; in this case, pass the
** character on through and do nothing here.
*/
if (winInfo == (TuiWinInfoPtr) NULL || winInfo == cmdWin)
return ch;
else
{
unsigned int c = 0, chCopy = ch;
register int i;
char *term;
/* If this is an xterm, page next/prev keys aren't returned
** by keypad as a single char, so we must handle them here.
** Seems like a bug in the curses library?
*/
term = (char *) getenv ("TERM");
for (i = 0; (term && term[i]); i++)
term[i] = toupper (term[i]);
if ((strcmp (term, "XTERM") == 0) && m_isStartSequence (ch))
{
unsigned int pageCh = 0, tmpChar;
tmpChar = 0;
while (!m_isEndSequence (tmpChar))
{
tmpChar = (int) wgetch (cmdWin->generic.handle);
if (!tmpChar)
break;
if (tmpChar == 53)
pageCh = KEY_PPAGE;
else if (tmpChar == 54)
pageCh = KEY_NPAGE;
}
chCopy = pageCh;
}
switch (chCopy)
{
case KEY_NPAGE:
tuiScrollForward (winInfo, 0);
break;
case KEY_PPAGE:
tuiScrollBackward (winInfo, 0);
break;
case KEY_DOWN:
case KEY_SF:
tuiScrollForward (winInfo, 1);
break;
case KEY_UP:
case KEY_SR:
tuiScrollBackward (winInfo, 1);
break;
case KEY_RIGHT:
tuiScrollLeft (winInfo, 1);
break;
case KEY_LEFT:
tuiScrollRight (winInfo, 1);
break;
case '\f':
tuiRefreshAll ();
break;
default:
c = chCopy;
break;
}
return c;
}
} /* tuiDispatchCtrlChar */
/*
** tuiIncrCommandCharCountBy()
** Increment the current character count in the command window,
** checking for overflow. Returns the new value of the char count.
*/
int
#ifdef __STDC__
tuiIncrCommandCharCountBy (
int count)
#else
tuiIncrCommandCharCountBy (count)
int count;
#endif
{
if (tui_version)
{
if ((count + cmdWin->detail.commandInfo.curch) >= cmdWin->generic.width)
cmdWin->detail.commandInfo.curch =
(count + cmdWin->detail.commandInfo.curch) - cmdWin->generic.width;
else
cmdWin->detail.commandInfo.curch += count;
}
return cmdWin->detail.commandInfo.curch;
} /* tuiIncrCommandCharCountBy */
/*
** tuiDecrCommandCharCountBy()
** Decrement the current character count in the command window,
** checking for overflow. Returns the new value of the char count.
*/
int
#ifdef __STDC__
tuiDecrCommandCharCountBy (
int count)
#else
tuiDecrCommandCharCountBy (count)
int count;
#endif
{
if (tui_version)
{
if ((cmdWin->detail.commandInfo.curch - count) < 0)
cmdWin->detail.commandInfo.curch =
cmdWin->generic.width + (cmdWin->detail.commandInfo.curch - count);
else
cmdWin->detail.commandInfo.curch -= count;
}
return cmdWin->detail.commandInfo.curch;
} /* tuiDecrCommandCharCountBy */
/*
** tuiSetCommandCharCountTo()
** Set the character count to count.
*/
int
#ifdef __STDC__
tuiSetCommandCharCountTo (
int count)
#else
tuiSetCommandCharCountTo (count)
int count;
#endif
{
if (tui_version)
{
if (count > cmdWin->generic.width - 1)
{
cmdWin->detail.commandInfo.curch = 0;
tuiIncrCommandCharCountBy (count);
}
else
cmdWin->detail.commandInfo.curch -= count;
}
return cmdWin->detail.commandInfo.curch;
} /* tuiSetCommandCharCountTo */
/*
** tuiClearCommandCharCount()
** Clear the character count to count.
*/
int
#ifdef __STDC__
tuiClearCommandCharCount (void)
#else
tuiClearCommandCharCount ()
#endif
{
if (tui_version)
cmdWin->detail.commandInfo.curch = 0;
return cmdWin->detail.commandInfo.curch;
} /* tuiClearCommandCharCount */
/*****************************************
** STATIC LOCAL FUNCTIONS **
******************************************/