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