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Removed unused members width_ and height_ from Fl_Scroll (STR #2289).

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Removed obsolete <P> tags from doxygen docs (Fl_Scroll.H), fixed some typos.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6935 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Albrecht Schlosser 2009-11-14 17:17:18 +00:00
parent 07a18370ad
commit 89ed04701a
1 changed files with 26 additions and 24 deletions
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50
FL/Fl_Scroll.H
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@ -36,22 +36,24 @@
/**
This container widget lets you maneuver around a set of widgets much
larger than your window. If the child widgets are larger than the size
larger than your window. If the child widgets are larger than the size
of this object then scrollbars will appear so that you can scroll over
to them:
<P ALIGN=CENTER>\image html Fl_Scroll.gif </P>
\image html Fl_Scroll.gif
\image latex Fl_Scroll.eps "Fl_Scroll" width=4cm
<P>If all of the child widgets are packed together into a solid
If all of the child widgets are packed together into a solid
rectangle then you want to set box() to FL_NO_BOX or
one of the _FRAME types. This will result in the best output.
However, if the child widgets are a sparse arrangment you must set
box() to a real _BOX type. This can result in some
However, if the child widgets are a sparse arrangement you must
set box() to a real _BOX type. This can result in some
blinking during redrawing, but that can be solved by using a
Fl_Double_Window. </P>
Fl_Double_Window.
By default you can scroll in both directions, and the scrollbars
disappear if the data will fit in the area of the scroll.
<P>Use Fl_Scroll::type() to change this as follows :
Use Fl_Scroll::type() to change this as follows :
<UL>
<LI>0 - No scrollbars </LI>
<LI>Fl_Scroll::HORIZONTAL - Only a horizontal scrollbar. </LI>
@ -62,38 +64,38 @@
<LI>Fl_Scroll::BOTH_ALWAYS - Both always on. </LI>
</UL>
<P> Use <B> scrollbar.align(int) ( see void Fl_Widget::align(Fl_Align) ) :</B>
to change what side the scrollbars are drawn on.<BR>If the
FL_ALIGN_LEFT bit is on, the vertical scrollbar is on the left.
Use <B> scrollbar.align(int) ( see void Fl_Widget::align(Fl_Align) ) :</B>
to change what side the scrollbars are drawn on.
If the FL_ALIGN_LEFT bit is on, the vertical scrollbar is on the left.
If the FL_ALIGN_TOP bit is on, the horizontal scrollbar is on
the top. Note that only the alignment flags in scrollbar are
considered. The flags in hscrollbar however are ignored.
<P>This widget can also be used to pan around a single child widget
"canvas". This child widget should be of your own class, with a
draw() method that draws the contents. The scrolling is done by
This widget can also be used to pan around a single child widget
"canvas". This child widget should be of your own class, with a
draw() method that draws the contents. The scrolling is done by
changing the x() and y() of the widget, so this child
must use the x() and y() to position it's drawing.
must use the x() and y() to position its drawing.
To speed up drawing it should test fl_push_clip().
<P>Another very useful child is a single
Fl_Pack, which is itself a group that packs it's children
together and changes size to surround them. Filling the Fl_Pack
with Fl_Tabs groups (and then putting
Another very useful child is a single Fl_Pack, which is itself a group
that packs its children together and changes size to surround them.
Filling the Fl_Pack with Fl_Tabs groups (and then putting
normal widgets inside those) gives you a very powerful scrolling list
of individually-openable panels. </P>
of individually-openable panels.
<P>Fluid lets you create these, but you can only lay out objects that
fit inside the Fl_Scroll without scrolling. Be sure to leave
space for the scrollbars, as Fluid won't show these either. </P>
<P><I>You cannot use Fl_Window as a child of this since the
Fluid lets you create these, but you can only lay out objects that
fit inside the Fl_Scroll without scrolling. Be sure to leave
space for the scrollbars, as Fluid won't show these either.
<I>You cannot use Fl_Window as a child of this since the
clipping is not conveyed to it when drawn, and it will draw over the
scrollbars and neighboring objects.</I>
*/
class FL_EXPORT Fl_Scroll : public Fl_Group {
int xposition_, yposition_;
int width_, height_;
int oldx, oldy;
int scrollbar_size_;
static void hscrollbar_cb(Fl_Widget*, void*);