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Diffstat (limited to 'rhtvision/examples/bhelp/thelp.cc')
| -rw-r--r-- | rhtvision/examples/bhelp/thelp.cc | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/rhtvision/examples/bhelp/thelp.cc b/rhtvision/examples/bhelp/thelp.cc new file mode 100644 index 0000000..87ae036 --- /dev/null +++ b/rhtvision/examples/bhelp/thelp.cc @@ -0,0 +1,221 @@ +/**[txh]******************************************************************** + + Copyright (c) 1999 by Andreas F. Gorup von Besanez <besanez@compuserve.de> + Copyright (c) 2002 by Jan Van Buggenhout <Chipzz@ULYSSIS.Org> + Copyright (c) 2002-2003 by Salvador E. Tropea <set@ieee.org> + + Covered by the GPL license. + + Description: + This program reads the help files used by Turbo C++ and Borland C++ +compilers. + +***************************************************************************/ + +#define Uses_stdlib +#define Uses_stdio +#define Uses_access +#define Uses_string +#define Uses_TKeys +#define Uses_ifpstream +#define Uses_IOS_BIN +#define Uses_TCollection +#define Uses_THelpWindow +#define Uses_TApplication +#define Uses_TDialog +#define Uses_TButton +#define Uses_TListBox +#define Uses_TPalette +#define Uses_TDeskTop +#define Uses_getopt +#define Uses_MsgBox +#include <tv.h> +#include "bhelp.h" + +class THelp:public TApplication +{ +public: + THelp(); + virtual TPalette& getPalette() const; + static TDeskTop *initDeskTop( TRect r ); + virtual void getEvent(TEvent& event); + virtual void run(); + static void ParseCommandLine(int argc, char *argv[]); + + static const char *fileName; +}; + +const char *THelp::fileName="tchelp.tch"; + +THelp::THelp():TProgInit(0, 0, &THelp::initDeskTop) +{ +} + +#define cpAppColor \ + "\x71\x70\x78\x74\x20\x28\x24\x17\x1F\x1A\x31\x31\x1E\x71\x1F" \ + "\x37\x3F\x3A\x13\x13\x3E\x21\x3F\x70\x7F\x7A\x13\x13\x70\x7F\x7E" \ + "\x70\x7F\x7A\x13\x13\x70\x70\x7F\x7E\x20\x2B\x2F\x78\x2E\x70\x30" \ + "\x3F\x3E\x1F\x2F\x1A\x20\x72\x31\x31\x30\x2F\x3E\x31\x13\x38\x00" \ + "\x17\x1F\x1A\x71\x71\x1E\x17\x1F\x1E\x20\x2B\x2F\x78\x2E\x10\x30" \ + "\x3F\x3E\x70\x2F\x7A\x20\x12\x31\x31\x30\x2F\x3E\x31\x13\x38\x00" \ + "\x37\x3F\x3A\x13\x13\x3E\x30\x3F\x3E\x20\x2B\x2F\x78\x2E\x30\x70" \ + "\x7F\x7E\x1F\x2F\x1A\x20\x32\x31\x71\x70\x2F\x7E\x71\x13\x78\x00" \ + "\x37\x3F\x3A\x13\x13\x30\x3E\x1E" // help colors + +TPalette& THelp::getPalette() const +{ + static TPalette helpcolor ( cpAppColor , sizeof( cpAppColor )-1 ); + return helpcolor; +} + +TDeskTop *THelp::initDeskTop( TRect r ) +{ + return new TDeskTop( r ); +} + +void THelp::getEvent(TEvent &event) +{ + if (event.what == evKeyDown) + { + switch (event.keyDown.keyCode) + { + case kbF5: + event.what = evCommand; + event.message.infoPtr = 0; + event.message.command = cmZoom; + return; + case kbCtrlF5: + event.what = evCommand; + event.message.infoPtr = 0; + event.message.command = cmResize; + return; + } + } + TApplication::getEvent(event); +} + +char *searchstring = NULL; +int maxlength = 0; +int which = 0; + +class TSearchDialog : public TDialog +{ + public: + TSearchDialog(TCollection *results) : + TWindowInit( &TSearchDialog::initFrame ), + TDialog (TRect (0, 0, maxlength + 4, results->getCount() + 6), "Select Result") + { + TRect r = getExtent(); + r.grow(-2,-2); + r.b.y -= 2; + options |= ofCentered; + TListBox *resultList = new TListBox( r, 1, 0); + resultList->newList(results); + insert(resultList); + r.a.x--; + r.a.y = r.b.y + 1; + r.b.y += 3; + insert(new TButton(r, __("~V~iew"), cmOK, bfDefault)); + setCurrent(resultList, normalSelect); + }; +}; + +void setmaxlength(void *str, void *u) +{ + int l = strlen((char *) str); + if ( l > maxlength) maxlength = l; +} + +ushort getContext(TCollection *results) +{ + char *result = (char *) results->at(which); + char *res = result + strlen(result) + 1; + return *((ushort *) res); +} + +void THelp::run() +{ + if (access(fileName,R_OK)!=0) + { + messageBox(__("File not found"), mfOKButton | mfError); + endModal(cmQuit); + return; + } + fpstream *helpStrm = new fpstream(fileName, CLY_IOSIn); + TBorlandHelpFile *helpFile = new TBorlandHelpFile(*helpStrm); + ushort start = helpFile->indexscreen; + if (searchstring && *searchstring) + { + TCollection *results = helpFile->search(searchstring); + switch (results->getCount()) + { + case 0: + break; + case 1: + start = getContext(results); + break; + default: + { + results->forEach(setmaxlength, 0); + TDialog *SD = new TSearchDialog(results); + if (execView(SD) == cmOK) + { + char* rec = (char *) malloc(SD->dataSize()); + SD->getData(rec); + which = *((int *) (rec + 4)); + start = getContext(results); + } + break; + } + } + } + THelpWindow *helpWindow = new THelpWindow(helpFile, start); + execView(validView(helpWindow)); +} + +static +struct CLY_option longopts[] = +{ + { "file", 0, 0, 'f' }, + { "help", 0, 0, 'h' }, + { 0, 0, 0, 0 } +}; + +void THelp::ParseCommandLine(int argc, char *argv[]) +{ + int optc; + + while ((optc=CLY_getopt_long(argc,argv,"f:h",longopts,0))!=EOF) + { + switch (optc) + { + case 'f': + fileName=CLY_optarg; + break; + case 'h': + default: + printf("Borland's Help file viewer\n"); + printf("Copyright (c) 1999 by Andreas F. Gorup von Besanez <besanez@compuserve.de>\n"); + printf("Copyright (c) 2002 by Jan Van Buggenhout <Chipzz@ULYSSIS.Org>\n"); + printf("Copyright (c) 2002-2003 by Salvador E. Tropea <set@ieee.org>\n"); + printf("This program is covered by the GPL license.\n"); + printf("\n\n"); + printf("%s [--file Name] Text_to_search\n",argv[0]); + printf("--file Name : Name of the help file\n"); + printf("--help : This text\n"); + exit(1); + } + } +} + +int main(int argc, char ** argv) +{ + THelp::ParseCommandLine(argc,argv); + THelp app; + if (argc == 2) + searchstring = argv[1]; + + app.run(); + app.shutDown(); + return 0; +} |