Following elements can have scroll: text, sel_4state, elem_group.
To use it, specify attribute scrl=”yes” in the element.
Then you can use default scroll or fully configure it for your needs.
The default scroll is:
<scroll>
<conf scroll_step="50" scroll_step_time="0.3"/>
<bg eltype="elem_group" x="R+3" y="12" w="7" y2="B-12" >
<el eltype="bord" x="0" y="0" x2="R" y2="B" c="0xcccccc" a="100" r="0" t="0.5" />
</bg>
<sld eltype="el__2state" x="R+3" y="12" w="7" y2="B-12" >
<el>
<el eltype="rect" x="0" y="0" x2="R" y2="B" c="0x999999" a="100" r="0" />
</el>
<elov>
<el eltype="rect" x="0" y="0" x2="R" y2="B" c="0x333333" a="100" r="0" />
</elov>
</sld>
<bar eltype="elem_group" x="R+3" y="12" w="7" y2="B-12" >
<el eltype="rect" x="0" y="0" x2="R" y2="B" c="0x3333cc" a="0" r="0" />
</bar>
<btn_up eltype="el__2state" x="R+3" y="0" w="7" h="10" >
<el>
<el eltype="rect" x="-2" y="-2" x2="R+2" y2="B+2" c="0xcccccc" a="0" r="0" />
<el eltype="triang" x1="0" y1="B" x2="R" y2="B" x3="C" y3="0" c="0x999999" a="100" />
</el>
<elov>
<el eltype="rect" x="-2" y="-2" x2="R+2" y2="B+2" c="0xcccccc" a="0" r="0" />
<el eltype="triang" x1="0" y1="B" x2="R" y2="B" x3="C" y3="0" c="0x333333" a="100" />
</elov>
</btn_up>
<btn_down eltype="el__2state" x="R+3" y="B-10" w="7" h="10">
<el>
<el eltype="rect" x="-2" y="-2" x2="R+2" y2="B+2" c="0xcccccc" a="0" r="0" />
<el eltype="triang" x1="0" y1="0" x2="R" y2="0" x3="C" y3="B" c="0x999999" a="100" />
</el>
<elov>
<el eltype="rect" x="-2" y="-2" x2="R+2" y2="B+2" c="0xcccccc" a="0" r="0" />
<el eltype="triang" x1="0" y1="0" x2="R" y2="0" x3="C" y3="B" c="0x333333" a="100" />
</elov>
</btn_down>
</scroll>
<conf – scroll configuration (optional). By default, scroll_step is 50 (pixels) for sel_4state, elem_group and 3 (lines) for text. scroll_step_time is 0.3 sec by default.
<bg – graphics, background, etc.
<sld – slider. It will be resized to a required height.
<bar – specifies “operational” area for slider movement.
<btn_up – button for scroll up.
<btn_down – button for scroll down.
