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-<H1 class="no-header">curs_mouse 3x 2023-12-23 ncurses 6.4 Library calls</H1>
+<H1 class="no-header">curs_mouse 3x 2024-04-20 ncurses 6.4 Library calls</H1>
<PRE>
<STRONG><A HREF="curs_mouse.3x.html">curs_mouse(3x)</A></STRONG> Library calls <STRONG><A HREF="curs_mouse.3x.html">curs_mouse(3x)</A></STRONG>
<STRONG>bool</STRONG> <STRONG>has_mouse(void);</STRONG>
+ <STRONG>mmask_t</STRONG> <STRONG>mousemask(mmask_t</STRONG> <EM>newmask</EM><STRONG>,</STRONG> <STRONG>mmask_t</STRONG> <STRONG>*</STRONG><EM>oldmask</EM><STRONG>);</STRONG>
+
<STRONG>int</STRONG> <STRONG>getmouse(MEVENT</STRONG> <STRONG>*</STRONG><EM>event</EM><STRONG>);</STRONG>
<STRONG>int</STRONG> <STRONG>ungetmouse(MEVENT</STRONG> <STRONG>*</STRONG><EM>event</EM><STRONG>);</STRONG>
- <STRONG>mmask_t</STRONG> <STRONG>mousemask(mmask_t</STRONG> <EM>newmask</EM><STRONG>,</STRONG> <STRONG>mmask_t</STRONG> <STRONG>*</STRONG><EM>oldmask</EM><STRONG>);</STRONG>
-
<STRONG>bool</STRONG> <STRONG>wenclose(const</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>y</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <EM>x</EM><STRONG>);</STRONG>
<STRONG>bool</STRONG> <STRONG>mouse_trafo(int*</STRONG> <EM>pY</EM><STRONG>,</STRONG> <STRONG>int*</STRONG> <EM>pX</EM><STRONG>,</STRONG> <STRONG>bool</STRONG> <EM>to</EM><STRONG>_</STRONG><EM>screen</EM><STRONG>);</STRONG>
<STRONG><A HREF="curs_getch.3x.html">wgetch(3x)</A></STRONG> input stream.
+</PRE><H3><a name="h3-has_mouse">has_mouse</a></H3><PRE>
+ The <STRONG>has_mouse</STRONG> function returns <STRONG>TRUE</STRONG> if the mouse driver has been
+ successfully initialized, and <STRONG>FALSE</STRONG> otherwise.
+
+ Mouse events are ignored when input is in cooked mode, and cause an
+ error beep when cooked mode is being simulated in a window by a
+ function such as <STRONG>getstr</STRONG> that expects a linefeed for input-loop
+ termination.
+
+
</PRE><H3><a name="h3-mousemask">mousemask</a></H3><PRE>
To make mouse events visible, use the <STRONG>mousemask</STRONG> function. This sets
the mouse events to be reported. By default, no mouse events are
<STRONG>o</STRONG> If <EM>oldmask</EM> is non-<STRONG>NULL</STRONG>, this function fills the indicated location
with the previous value of the current screen's mouse event mask.
- As a side effect, setting a zero mousemask may turn off the mouse
+ As a side effect, setting a zero mouse mask may turn off the mouse
pointer; setting a nonzero mask may turn it on. Whether this happens
is device-dependent.
Here are the mouse event type masks which may be defined:
<STRONG>Name</STRONG> <STRONG>Description</STRONG>
- ---------------------------------------------------------------------
+ ------------------------------------------------------------------------
<STRONG>BUTTON1_PRESSED</STRONG> mouse button 1 down
<STRONG>BUTTON1_RELEASED</STRONG> mouse button 1 up
<STRONG>BUTTON1_CLICKED</STRONG> mouse button 1 clicked
-
<STRONG>BUTTON1_DOUBLE_CLICKED</STRONG> mouse button 1 double clicked
<STRONG>BUTTON1_TRIPLE_CLICKED</STRONG> mouse button 1 triple clicked
- ---------------------------------------------------------------------
+ ------------------------------------------------------------------------
<STRONG>BUTTON2_PRESSED</STRONG> mouse button 2 down
<STRONG>BUTTON2_RELEASED</STRONG> mouse button 2 up
<STRONG>BUTTON2_CLICKED</STRONG> mouse button 2 clicked
<STRONG>BUTTON2_DOUBLE_CLICKED</STRONG> mouse button 2 double clicked
<STRONG>BUTTON2_TRIPLE_CLICKED</STRONG> mouse button 2 triple clicked
- ---------------------------------------------------------------------
+ ------------------------------------------------------------------------
<STRONG>BUTTON3_PRESSED</STRONG> mouse button 3 down
<STRONG>BUTTON3_RELEASED</STRONG> mouse button 3 up
<STRONG>BUTTON3_CLICKED</STRONG> mouse button 3 clicked
<STRONG>BUTTON3_DOUBLE_CLICKED</STRONG> mouse button 3 double clicked
<STRONG>BUTTON3_TRIPLE_CLICKED</STRONG> mouse button 3 triple clicked
- ---------------------------------------------------------------------
+ ------------------------------------------------------------------------
<STRONG>BUTTON4_PRESSED</STRONG> mouse button 4 down
<STRONG>BUTTON4_RELEASED</STRONG> mouse button 4 up
<STRONG>BUTTON4_CLICKED</STRONG> mouse button 4 clicked
<STRONG>BUTTON4_DOUBLE_CLICKED</STRONG> mouse button 4 double clicked
<STRONG>BUTTON4_TRIPLE_CLICKED</STRONG> mouse button 4 triple clicked
- ---------------------------------------------------------------------
+ ------------------------------------------------------------------------
<STRONG>BUTTON5_PRESSED</STRONG> mouse button 5 down
<STRONG>BUTTON5_RELEASED</STRONG> mouse button 5 up
<STRONG>BUTTON5_CLICKED</STRONG> mouse button 5 clicked
<STRONG>BUTTON5_DOUBLE_CLICKED</STRONG> mouse button 5 double clicked
<STRONG>BUTTON5_TRIPLE_CLICKED</STRONG> mouse button 5 triple clicked
- ---------------------------------------------------------------------
+ ------------------------------------------------------------------------
<STRONG>BUTTON_SHIFT</STRONG> shift was down during button state change
<STRONG>BUTTON_CTRL</STRONG> control was down during button state change
<STRONG>BUTTON_ALT</STRONG> alt was down during button state change
<STRONG>ALL_MOUSE_EVENTS</STRONG> report all button state changes
<STRONG>REPORT_MOUSE_POSITION</STRONG> report mouse movement
- ---------------------------------------------------------------------
+ ------------------------------------------------------------------------
</PRE><H3><a name="h3-getmouse">getmouse</a></H3><PRE>
<STRONG>TRUE</STRONG> if it is and <STRONG>FALSE</STRONG> otherwise. It is useful for determining what
subset of the screen windows enclose the location of a mouse event.
+ If the parameter is a pad, <STRONG>wenclose</STRONG> uses the most recent screen
+ coordinates used for this pad in <STRONG><A HREF="curs_pad.3x.html">prefresh(3x)</A></STRONG> or <STRONG><A HREF="curs_pad.3x.html">pnoutrefresh(3x)</A></STRONG>.
+
</PRE><H3><a name="h3-wmouse_trafo">wmouse_trafo</a></H3><PRE>
- The <STRONG>wmouse_trafo</STRONG> function transforms a given pair of coordinates from
+ The <STRONG>wmouse_trafo</STRONG> function transforms a given pair of coordinates from
<STRONG>stdscr</STRONG>-relative coordinates to coordinates relative to the given window
- or vice versa. The resulting <STRONG>stdscr</STRONG>-relative coordinates are not
- always identical to window-relative coordinates due to the mechanism to
- reserve lines on top or bottom of the screen for other purposes (see
-
the <STRONG>ripoffline</STRONG> and <STRONG><A HREF="curs_slk.3x.html">slk_init(3x)</A></STRONG> calls, for example).
-
- <STRONG>o</STRONG> If the parameter <EM>to</EM><STRONG>_</STRONG><EM>screen</EM> is <STRONG>TRUE</STRONG>, the pointers <EM>pY,</EM> <EM>pX</EM> must
- reference the coordinates of a location inside the window <EM>win</EM>.
- They are converted to window-relative coordinates and returned
- through the pointers. If the conversion was successful, the
+ or vice versa. The resulting <STRONG>stdscr</STRONG>-relative coordinates are not
+ always identical to screen coordinates due to the mechanism to reserve
+ lines on top or bottom of the screen for other purposes (see the
+
<STRONG><A HREF="curs_kernel.3x.html">ripoffline(3x)</A></STRONG> and <STRONG><A HREF="curs_slk.3x.html">slk_init(3x)</A></STRONG> calls, for example).
+
+ <STRONG>o</STRONG> If the parameter <EM>to</EM><STRONG>_</STRONG><EM>screen</EM> is <STRONG>TRUE</STRONG>, the pointers <EM>pY,</EM> <EM>pX</EM> must
+ reference the coordinates of a location inside the window <EM>win</EM>.
+ They are converted to <STRONG>stdscr</STRONG>-relative coordinates and returned
+ through the pointers. If the conversion was successful, the
function returns <STRONG>TRUE</STRONG>.
- <STRONG>o</STRONG> If one of the parameters was <STRONG>NULL</STRONG> or the location is not inside the
+ If one of the parameters was <STRONG>NULL</STRONG> or the location is not inside the
window, <STRONG>FALSE</STRONG> is returned.
- <STRONG>o</STRONG> If <EM>to</EM><STRONG>_</STRONG><EM>screen</EM> is <STRONG>FALSE</STRONG>, the pointers <EM>pY,</EM> <EM>pX</EM> must reference window-
- relative coordinates. They are converted to <STRONG>stdscr</STRONG>-relative
- coordinates if the window <EM>win</EM> encloses this point. In this case
+ <STRONG>o</STRONG> If <EM>to</EM><STRONG>_</STRONG><EM>screen</EM> is <STRONG>FALSE</STRONG>, the pointers <EM>pY,</EM> <EM>pX</EM> must reference
+ <STRONG>stdscr</STRONG>-relative coordinates. They are converted to window-relative
+ coordinates if the window <EM>win</EM> encloses this point. In this case
the function returns <STRONG>TRUE</STRONG>.
- <STRONG>o</STRONG> If one of the parameters is <STRONG>NULL</STRONG> or the point is not inside the
- window, <STRONG>FALSE</STRONG> is returned. The referenced coordinates are only
- replaced by the converted coordinates if the transformation was
- successful.
+ If one of the parameters is <STRONG>NULL</STRONG> or the point is not inside the
+ window, <STRONG>FALSE</STRONG> is returned.
+
+ The referenced coordinates are only replaced by the converted
+ coordinates if the transformation was successful.
</PRE><H3><a name="h3-mouse_trafo">mouse_trafo</a></H3><PRE>
</PRE><H3><a name="h3-mouseinterval">mouseinterval</a></H3><PRE>
The <STRONG>mouseinterval</STRONG> function sets the maximum time (in thousands of a
second) that can elapse between press and release events for them to be
- recognized as a click. Use <STRONG>mouseinterval(0)</STRONG> to disable click
- resolution. This function returns the previous interval value. Use
- <STRONG>mouseinterval(-1)</STRONG> to obtain the interval without altering it. The
- default is one sixth of a second.
+ resolved as a <EM>click</EM>. An application might interpret button press and
+ release events separated by more than the mouse interval as a "long
+ press", or, with motion, as a "drag".
+ Calling <STRONG>mouseinterval(0)</STRONG> disables click resolution. When <EM>ncurses</EM>
+ detects a mouse event, it awaits further input activity up to this
+ interval, and then checks for a subsequent mouse event which can be
+ combined with the first event. If the timeout expires without input
+ activity (which would happen with a zero interval), then no click
+ resolution will occur.
-</PRE><H3><a name="h3-has_mouse">has_mouse</a></H3><PRE>
- The <STRONG>has_mouse</STRONG> function returns <STRONG>TRUE</STRONG> if the mouse driver has been
- successfully initialized, and <STRONG>FALSE</STRONG> otherwise.
+ This function returns the previous interval value. Use
+ <STRONG>mouseinterval(-1)</STRONG> to obtain the interval without altering it.
- Note that mouse events will be ignored when input is in cooked mode,
- and will cause an error beep when cooked mode is being simulated in a
- window by a function such as <STRONG>getstr</STRONG> that expects a linefeed for input-
- loop termination.
+ The mouse interval is set to one sixth of a second when the
+ corresponding screen is initialized, e.g., in <STRONG><A HREF="curs_initscr.3x.html">initscr(3x)</A></STRONG> or
+ <STRONG><A HREF="curs_terminfo.3x.html">setupterm(3x)</A></STRONG>.
</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
<STRONG>mousemask</STRONG> returns the mask of reportable events.
- <STRONG>mouseinterval</STRONG> returns the previous interval value, unless the terminal
- was not initialized. In that case, it returns the maximum interval
+ <STRONG>mouseinterval</STRONG> returns the previous interval value, unless the terminal
+ was not initialized. In that case, it returns the maximum interval
value (166).
</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
- The order of the <STRONG>MEVENT</STRONG> structure members is not guaranteed.
+ The order of the <STRONG>MEVENT</STRONG> structure members is not guaranteed.
Additional fields may be added to the structure in the future.
- Under <EM>ncurses,</EM> these calls are implemented using either <EM>xterm</EM>'s built-
+ Under <EM>ncurses</EM>, these calls are implemented using either <EM>xterm</EM>'s built-
in mouse-tracking API or platform-specific drivers including
<STRONG>o</STRONG> Alessandro Rubini's gpm server
If you are using an unsupported configuration, mouse events will not be
visible to <EM>ncurses</EM> (and the <STRONG>mousemask</STRONG> function will always return <STRONG>0</STRONG>).
- If the <EM>terminfo</EM> entry contains a <STRONG>XM</STRONG> string, this is used in the <EM>xterm</EM>
- mouse driver to control the way the terminal is initialized for mouse
- operation. The default, if <STRONG>XM</STRONG> is not found, corresponds to private
+ If the <EM>terminfo</EM> entry contains a <STRONG>XM</STRONG> string, this is used in the <EM>xterm</EM>
+ mouse driver to control the way the terminal is initialized for mouse
+ operation. The default, if <STRONG>XM</STRONG> is not found, corresponds to private
mode 1000 of <EM>xterm:</EM>
\E[?1000%?%p1%{1}%=%th%el%;
\E[?1006;1000%?%p1%{1}%=%th%el%;
- The <EM>z</EM> member in the event structure is not presently used. It is
- intended for use with touch screens (which may be pressure-sensitive)
+ The <EM>z</EM> member in the event structure is not presently used. It is
+ intended for use with touch screens (which may be pressure-sensitive)
or with 3D-mice/trackballs/power gloves.
- The <STRONG>ALL_MOUSE_EVENTS</STRONG> class does not include <STRONG>REPORT_MOUSE_POSITION</STRONG>.
- They are distinct. For example, in <EM>xterm,</EM> wheel/scrolling mice send
- position reports as a sequence of presses of buttons 4 or 5 without
+ The <STRONG>ALL_MOUSE_EVENTS</STRONG> class does not include <STRONG>REPORT_MOUSE_POSITION</STRONG>.
+ They are distinct. For example, in <EM>xterm</EM>, wheel/scrolling mice send
+ position reports as a sequence of presses of buttons 4 or 5 without
matching button-releases.
</PRE><H2><a name="h2-EXTENSIONS">EXTENSIONS</a></H2><PRE>
- These functions were designed for <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG>, and are not found in
- SVr4 <EM>curses</EM>, 4.4BSD <EM>curses</EM>, or any other previous curses
- implementation. (SVr4 <EM>curses</EM> did have a <EM>getmouse</EM> function, which took
+ These functions were designed for <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG>, and are not found in
+ SVr4 <EM>curses</EM>, 4.4BSD <EM>curses</EM>, or any other previous curses
+ implementation. (SVr4 <EM>curses</EM> did have a <EM>getmouse</EM> function, which took
no argument and returned a different type.)
</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
Applications employing the <EM>ncurses</EM> mouse extension should condition its
- use on the visibility of the <STRONG>NCURSES_MOUSE_VERSION</STRONG> preprocessor macro.
- When the interface changes, the macro's value increments. Multiple
- versions are available when <EM>ncurses</EM> is configured; see section
+ use on the visibility of the <STRONG>NCURSES_MOUSE_VERSION</STRONG> preprocessor macro.
+ When the interface changes, the macro's value increments. Multiple
+ versions are available when <EM>ncurses</EM> is configured; see section
"ALTERNATE CONFIGURATIONS" of <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG>. The following values may be
specified.
1 has definitions for reserved events. The mask uses 28 bits.
- 2 adds definitions for button 5, removes the definitions for
+ 2 adds definitions for button 5, removes the definitions for
reserved events. The mask uses 29 bits.
- SVr4 <EM>curses</EM> had support for the mouse in a variant of <STRONG>xterm(1)</STRONG>. It is
+ SVr4 <EM>curses</EM> had support for the mouse in a variant of <STRONG>xterm(1)</STRONG>. It is
mentioned in a few places, with little supporting documentation.
- <STRONG>o</STRONG> Its "libcurses" manual page lists functions for this feature
+ <STRONG>o</STRONG> Its "libcurses" manual page lists functions for this feature
prototyped in <EM>curses.h</EM>.
extern int mouse_set(long int);
<STRONG>o</STRONG> Its "terminfo" manual page lists capabilities for the feature.
- buttons btns BT Number of buttons on the mouse
- get_mouse getm Gm Curses should get button events
- key_mouse kmous Km 0631, Mouse event has occurred
- mouse_info minfo Mi Mouse status information
- req_mouse_pos reqmp RQ Request mouse position report
+ <STRONG>buttons</STRONG> <STRONG>btns</STRONG> <STRONG>BT</STRONG> Number of buttons on the mouse
+ <STRONG>get_mouse</STRONG> <STRONG>getm</STRONG> <STRONG>Gm</STRONG> Curses should get button events
+ <STRONG>key_mouse</STRONG> <STRONG>kmous</STRONG> <STRONG>Km</STRONG> 0631, Mouse event has occurred
+ <STRONG>mouse_info</STRONG> <STRONG>minfo</STRONG> <STRONG>Mi</STRONG> Mouse status information
+ <STRONG>req_mouse_pos</STRONG> <STRONG>reqmp</STRONG> <STRONG>RQ</STRONG> Request mouse position report
- <STRONG>o</STRONG> The interface made assumptions (as does <EM>ncurses</EM>) about the escape
+ <STRONG>o</STRONG> The interface made assumptions (as does <EM>ncurses</EM>) about the escape
sequences sent to and received from the terminal.
For instance, the SVr4 <EM>curses</EM> library used the <STRONG>get_mouse</STRONG> capability
- to tell the terminal which mouse button events it should send,
- passing the mouse-button bit mask to the terminal. Also, it could
- ask the terminal where the mouse was using the <STRONG>req_mouse_pos</STRONG>
+ to tell the terminal which mouse button events it should send,
+ passing the mouse-button bit mask to the terminal. Also, it could
+ ask the terminal where the mouse was using the <STRONG>req_mouse_pos</STRONG>
capability.
- Those features required a terminal program that had been modified
- to work with SVr4 <EM>curses.</EM> They were not part of the X Consortium's
- <EM>xterm.</EM>
+ Those features required a terminal program that had been modified
+ to work with SVr4 <EM>curses</EM>. They were not part of the X Consortium's
+ <EM>xterm</EM>.
- When developing the <EM>xterm</EM> mouse support for <EM>ncurses</EM> in September 1995,
- Eric Raymond was uninterested in using the same interface due to its
+ When developing the <EM>xterm</EM> mouse support for <EM>ncurses</EM> in September 1995,
+ Eric Raymond was uninterested in using the same interface due to its
lack of documentation. Later, in 1998, Mark Hesseling provided support
- in <EM>PDCurses</EM> 2.3 using the SVr4 interface. <EM>PDCurses,</EM> however, does not
- use video terminals, making it unnecessary to be concerned about
+ in <EM>PDCurses</EM> 2.3 using the SVr4 interface. <EM>PDCurses</EM>, however, does not
+ use video terminals, making it unnecessary to be concerned about
compatibility with the escape sequences.
</PRE><H2><a name="h2-BUGS">BUGS</a></H2><PRE>
- Mouse events from <EM>xterm</EM> are <EM>not</EM> ignored in cooked mode if they have
- been enabled by <STRONG>mousemask</STRONG>. Instead, the <EM>xterm</EM> mouse report sequence
+ Mouse events from <EM>xterm</EM> are <EM>not</EM> ignored in cooked mode if they have
+ been enabled by <STRONG>mousemask</STRONG>. Instead, the <EM>xterm</EM> mouse report sequence
appears in the string read.
- Mouse event reports from <EM>xterm</EM> are not detected correctly in a window
- with keypad application mode disabled, since they are interpreted as a
- variety of function key. Set the terminal's <EM>terminfo</EM> capability <STRONG>kmous</STRONG>
- to "\E[M" (the beginning of the response from <EM>xterm</EM> for mouse clicks).
+ Mouse event reports from <EM>xterm</EM> are not detected correctly in a window
+ with keypad application mode disabled, since they are interpreted as a
+ variety of function key. Set the terminal's <EM>terminfo</EM> capability <STRONG>kmous</STRONG>
+ to "\E[M" (the beginning of the response from <EM>xterm</EM> for mouse clicks).
Other values of <STRONG>kmous</STRONG> are permitted under the same assumption, that is,
the report begins with that sequence.
Because there are no standard response sequences that serve to identify
- terminals supporting the <EM>xterm</EM> mouse protocol, <EM>ncurses</EM> assumes that if
+ terminals supporting the <EM>xterm</EM> mouse protocol, <EM>ncurses</EM> assumes that if
<STRONG>kmous</STRONG> is defined in the terminal description, or if the terminal type's
- primary name or aliases contain the string "xterm", then the terminal
+ primary name or aliases contain the string "xterm", then the terminal
may send mouse events. The <STRONG>kmous</STRONG> capability is checked first, allowing
use of newer <EM>xterm</EM> mouse protocols, such as its private mode 1006.
</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
- <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_inopts.3x.html">curs_inopts(3x)</A></STRONG>, <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>, <STRONG><A HREF="curs_slk.3x.html">curs_slk(3x)</A></STRONG>,
- <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>
+ <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_inopts.3x.html">curs_inopts(3x)</A></STRONG>, <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>, <STRONG><A HREF="curs_pad.3x.html">curs_pad(3x)</A></STRONG>,
+ <STRONG><A HREF="curs_slk.3x.html">curs_slk(3x)</A></STRONG>, <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>
-ncurses 6.4 202
3-12-23 <STRONG><A HREF="curs_mouse.3x.html">curs_mouse(3x)</A></STRONG>
+ncurses 6.4 202
4-04-20 <STRONG><A HREF="curs_mouse.3x.html">curs_mouse(3x)</A></STRONG>
</PRE>
<div class="nav">
<ul>
<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
<li><a href="#h2-DESCRIPTION">DESCRIPTION</a>
<ul>
+<li><a href="#h3-has_mouse">has_mouse</a></li>
<li><a href="#h3-mousemask">mousemask</a></li>
<li><a href="#h3-Mouse-Events">Mouse Events</a></li>
<li><a href="#h3-getmouse">getmouse</a></li>
<li><a href="#h3-wmouse_trafo">wmouse_trafo</a></li>
<li><a href="#h3-mouse_trafo">mouse_trafo</a></li>
<li><a href="#h3-mouseinterval">mouseinterval</a></li>
-<li><a href="#h3-has_mouse">has_mouse</a></li>
</ul>
</li>
<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
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