/* * Copyright (c) 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. */ /* * ScrollBox - scrollable list of glyphs */ #ifndef iv_scrbox_h #define iv_scrbox_h #include <InterViews/adjust.h> #include <InterViews/polyglyph.h> #include <InterViews/_enter.h> class ScrollBox : public PolyGlyph, public Adjustable { protected: ScrollBox(GlyphIndex size = 10); virtual ~ScrollBox(); virtual boolean shown(GlyphIndex) const; virtual GlyphIndex first_shown() const; virtual GlyphIndex last_shown() const; }; class TBScrollBoxImpl; class TBScrollBox : public ScrollBox { public: TBScrollBox(GlyphIndex size = 10); virtual ~TBScrollBox(); virtual void request(Requisition&) const; virtual void allocate(Canvas*, const Allocation&, Extension&); virtual void draw(Canvas*, const Allocation&) const; virtual void print(Printer*, const Allocation&) const; virtual void pick(Canvas*, const Allocation&, int depth, Hit&); virtual void undraw(); virtual void modified(GlyphIndex); virtual boolean shown(GlyphIndex) const; virtual GlyphIndex first_shown() const; virtual GlyphIndex last_shown() const; virtual void allotment(GlyphIndex, DimensionName, Allotment&) const; virtual Coord lower(DimensionName) const; virtual Coord upper(DimensionName) const; virtual Coord length(DimensionName) const; virtual Coord cur_lower(DimensionName) const; virtual Coord cur_upper(DimensionName) const; virtual Coord cur_length(DimensionName) const; virtual void scroll_forward(DimensionName); virtual void scroll_backward(DimensionName); virtual void page_forward(DimensionName); virtual void page_backward(DimensionName); virtual void scroll_to(DimensionName, Coord lower); private: TBScrollBoxImpl* impl_; TBScrollBoxImpl& impl() const; void scroll_by(DimensionName, long); void do_scroll(DimensionName, GlyphIndex new_start, GlyphIndex new_end); }; #include <InterViews/_leave.h> #endif