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<sect1 id="toolbars_menus_functions">
<title>Functions in menu and toolbars</title>
<para>
Following functions are called from menu and toolbars and provide
user friendly enviroment for simple editing.
</para>
<sect2 id="gui_onclickFunctions_selectionModes" xreflabel="selection modes">
<title>Selection modes</title>
<para>
Modes in this section can be used to select objects on the
displayed page. All modes support move and resize of selected objects,
but the real functionality depends on implemented scripts, which perform
real action with selected objects (e.g. moving nongraphical
operators (text, pictures) and moving annotation activation rectangle,
but moving graphical operators (line, rectangle, ...) is not implemented).
</para>
<para>
When moving selected objects cursor must be in the selected
region (cursor pointer will change to cross from arrows pointer). After pressing
the mouse left button selection region
can be moved. After releasing mouse left button script moving function is executed
on the selected operators.
</para>
<para>
When resizing objects cursor must be moved to the edge of bounding
rectangle of selected region (cursor will change to two arrow oriented from each
other direction - there are four possibilities how to resize: left-right, top-bottom,
(left-top)-(right-bottom) and (left-bottom)-(right-top)). After pressing the left
mouse button selected region is resized by cursor movement. Script function for
resizing is executed when mouse left button is released.
</para>
<para>
When cancelling started action press <emphasis>Esc</emphasis> key before releasing left mouse
button.
If <emphasis>Esc</emphasis> key is pressed during no action all objects
on the page are unselected.
</para>
&gui_onclickFunctions_selectAll;
&gui_onclickFunctions_selectGraphicalOp;
&gui_onclickFunctions_selectText;
&gui_onclickFunctions_selectAnnotations;
</sect2>
<sect2 id="drawing_adding_new">
<title>Drawing and adding new objects</title>
&gui_onclickFunctions_drawLine;
&gui_onclickFunctions_drawRect;
&gui_onclickFunctions_addText;
&gui_onclickFunctions_strikeThrough;
&gui_onclickFunctions_highlightingText;
</sect2>
</sect1>
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