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Diffstat (limited to 'tvision/examples/tcombo/tsinputl.cpp')
| -rw-r--r-- | tvision/examples/tcombo/tsinputl.cpp | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/tvision/examples/tcombo/tsinputl.cpp b/tvision/examples/tcombo/tsinputl.cpp new file mode 100644 index 0000000..cf0725b --- /dev/null +++ b/tvision/examples/tcombo/tsinputl.cpp @@ -0,0 +1,158 @@ +/*************************************************************************/ +/* */ +/* TSINPUTL.H */ +/* */ +/* Copyright (c) 1992, Vincent J. Dentice */ +/* All rights reserved */ +/* */ +/* */ +/* Date Prg Ver Description */ +/* -------- --- --- ------------------------------------------------- */ +/* 09/30/92 VJD 0.1 Initial module definition. */ +/* 11/16/92 VJD 0.2 Added streamability to TStaticInputLine class. */ +/* 11/17/92 VJD 0.3 Replaced matchFirstChar() function with member */ +/* function getNextMatch(). */ +/* 11/17/92 RG 0.3 Added functionality to jump to the beginning and */ +/* end of the list by using the HOME and END keys. */ +/* This code was supplied by Robert Gloeckner */ +/* (100034,3033). */ +/* */ +/*************************************************************************/ + +#include <ctype.h> +#define Uses_string + +#define Uses_TEvent +#define Uses_TKeys +#define Uses_TStaticInputLine +#define Uses_TStreamableClass +#include "tsinputl.h" + +Boolean matchFirstChar(void *, void *); + + +TStaticInputLine::TStaticInputLine(const TRect& bounds, int aMaxLen, TCollection *aList) : + TInputLine(bounds, aMaxLen) +{ + list = aList; +} + + +void *TStaticInputLine::getNextMatch(char testChar) +{ + return (char *)list->firstThat(matchFirstChar, &testChar); +} + + +void TStaticInputLine::handleEvent(TEvent& event) +{ + char testChar[2]; + char *tempData; + ccIndex index; + + if (event.what == evKeyDown) { + if (isprint(event.keyDown.charScan.charCode)) { + testChar[0] = event.keyDown.charScan.charCode; + testChar[1] = '\0'; + tempData = (char *)getNextMatch(testChar[0]); + if (tempData != 0) { + strcpy(data, tempData); + selectAll(True); + drawView(); + } + clearEvent(event); + } + else + switch (event.keyDown.keyCode) { + case kbUp : + index = list->indexOf(data) - 1; + if (index < 0) + index = list->getCount() - 1; + strcpy(data, (char *)list->at(index)); + selectAll(True); + drawView(); + clearEvent(event); + break; + + case kbDown : + index = list->indexOf(data) + 1; + if (index >= list->getCount()) + index = 0; + strcpy(data, (char *)list->at(index)); + selectAll(True); + drawView(); + clearEvent(event); + break; + + case kbHome: + index = 0; + strcpy(data, (char *)list->at(index)); + selectAll(True); + drawView(); + clearEvent(event); + break; + + case kbEnd: + index = list->getCount() - 1; + strcpy(data, (char *)list->at(index)); + selectAll(True); + drawView(); + clearEvent(event); + break; + + case kbLeft : + case kbRight : + case kbBack : + case kbIns : + case kbDel : clearEvent(event); + } + } + TInputLine::handleEvent(event); +} + + +void TStaticInputLine::newList(TCollection *aList) +{ + if (list) + CLY_destroy(list); + list = aList; + drawView(); +} + + +void *TStaticInputLine::read( ipstream& is ) +{ + TInputLine::read(is); + is >> list; + return this; +} + + +void TStaticInputLine::write( opstream& os ) +{ + TInputLine::write(os); + os << list; +} + +TStreamable *TStaticInputLine::build() +{ + return new TStaticInputLine(streamableInit); +} + + +TStaticInputLine::TStaticInputLine(StreamableInit) : TInputLine(streamableInit) { } + + + +Boolean matchFirstChar(void *string1, void *string2) +{ + char *temp1, *temp2; + + temp1 = (char *)string1; + temp2 = (char *)string2; + + if (toupper(temp1[0]) == toupper(temp2[0])) + return True; + else + return False; +} |