/* * Copyright (c) 1987, 1988, 1989, 1990, 1991 Stanford University * Copyright (c) 1991 Silicon Graphics, Inc. * * Permission to use, copy, modify, distribute, and sell this software and * its documentation for any purpose is hereby granted without fee, provided * that (i) the above copyright notices and this permission notice appear in * all copies of the software and related documentation, and (ii) the names of * Stanford and Silicon Graphics may not be used in any advertising or * publicity relating to the software without the specific, prior written * permission of Stanford and Silicon Graphics. * * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. * * IN NO EVENT SHALL STANFORD OR SILICON GRAPHICS BE LIABLE FOR * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. */ /* * StringBrowser - a Mac minifinder-like object for perusing and choosing * from list of strings. */ #ifndef ivlook2_6_strbrowser_h #define ivlook2_6_strbrowser_h #include <IV-2_6/InterViews/interactor.h> #include <IV-2_6/InterViews/textstyle.h> #include <IV-2_6/_enter.h> static const char* SBDone = "\r\t\007\033"; static const char SBFirstString = 'g'; static const char SBLastString = 'G'; static const char SBSelectAll = 'a'; static const char SBUnselectAll = '\177'; static const char SBUnselectAllAlt = '\010'; static const char SBSelectPreviousString = 'p'; static const char SBSelectNextString = 'n'; static const char SBSelectTopString = '<'; static const char SBSelectBottomString = '>'; static const char SBScrollDown = 'j'; static const char SBScrollUp = 'k'; static const char SBPageDown = ' '; static const char SBPageUp = 'b'; static const char SBHalfPageDown = 'd'; static const char SBHalfPageUp = 'u'; class ButtonState; class TextDisplay; class StringBrowser : public Interactor { public: StringBrowser( ButtonState*, int rows, int cols, boolean uniqueSel = true, int highlight = Reversed, const char* done = SBDone ); StringBrowser( const char* name, ButtonState*, int, int, boolean = true, int = Reversed, const char* = SBDone ); virtual ~StringBrowser(); void Browse(); void Insert(const char*, int index); void Replace(const char*, int index); void Append(const char*); void Remove(int index); int Index(const char*); char* String(int); int Count(); void Clear(); void Select(int index); void SelectAll(); void Unselect(int index); void UnselectAll(); int Selection(int selindex = 0); int SelectionIndex(int index); int Selections(); boolean Selected(int index); virtual void Handle(Event&); virtual void Adjust(Perspective&); protected: void Select(int dot, int mark); void Unselect(int dot, int mark); void ScrollBy(int, int); void ScrollBy(int lines); void ScrollTo(int, int); void ScrollTo(int index); void ScrollToView(IntCoord, IntCoord); void GrabScroll(Event&); void RateScroll(Event&); int Locate(IntCoord, IntCoord); boolean DoubleClicked(Event&); virtual boolean HandleChar(char); virtual boolean LeftButtonDown(Event&); virtual void Reconfig(); virtual void Redraw(IntCoord, IntCoord, IntCoord, IntCoord); virtual void Resize(); protected: int rows; int columns; boolean uniqueSel; boolean singleClick; int clickDelay; int highlight; ButtonState* subject; const char* done; private: void Init(ButtonState*, int, int, boolean, int, const char*); void InitTextDisplay(); void InitPerspective(boolean scroll_to_top); void UpdateSelection(int dot, int mark, int style); void UpdateWidth(); void Note(Event&); boolean HandleDownEvent(Event&); boolean HandleKeyEvent(Event&); private: char** strbuf; int strbufsize; int strcount; char** selbuf; int selbufsize; int selcount; TextDisplay* display; int lineheight; unsigned long lasttime; IntCoord lastx, lasty; int lastdot, lastmark; }; inline void StringBrowser::Append (const char* s) { Insert(s, strcount); } inline int StringBrowser::Count () { return strcount; } inline int StringBrowser::Selections () { return selcount; } inline boolean StringBrowser::Selected (int i) {return SelectionIndex(i) >= 0;} #include <IV-2_6/_leave.h> #endif