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- * @Id: curs_mouse.3x,v 1.40 2014/10/10 09:31:18 tom Exp @
+ * @Id: curs_mouse.3x,v 1.42 2015/07/21 09:27:39 tom Exp @
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-<H1>curs_mouse 3x</H1>
-<HR>
+<H1 class="no-header">curs_mouse 3x</H1>
<PRE>
<STRONG><A HREF="curs_mouse.3x.html">curs_mouse(3x)</A></STRONG> <STRONG><A HREF="curs_mouse.3x.html">curs_mouse(3x)</A></STRONG>
-</PRE>
-<H2><a name="h2-NAME">NAME</a></H2><PRE>
+</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
<STRONG>has_mouse</STRONG>, <STRONG>getmouse</STRONG>, <STRONG>ungetmouse</STRONG>, <STRONG>mousemask</STRONG>, <STRONG>wenclose</STRONG>,
<STRONG>mouse_trafo</STRONG>, <STRONG>wmouse_trafo</STRONG>, <STRONG>mouseinterval</STRONG> - mouse interface
through curses
-</PRE>
-<H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
+</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
<STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
<STRONG>typedef</STRONG> <STRONG>unsigned</STRONG> <STRONG>long</STRONG> <STRONG>mmask_t;</STRONG>
<STRONG>}</STRONG> <STRONG>MEVENT;</STRONG>
<STRONG>bool</STRONG> <STRONG>has_mouse(void);</STRONG>
- <STRONG>int</STRONG> <STRONG>getmouse(MEVENT</STRONG> <STRONG>*event);</STRONG>
- <STRONG>int</STRONG> <STRONG>ungetmouse(MEVENT</STRONG> <STRONG>*event);</STRONG>
- <STRONG>mmask_t</STRONG> <STRONG>mousemask(mmask_t</STRONG> <STRONG>newmask,</STRONG> <STRONG>mmask_t</STRONG> <STRONG>*oldmask);</STRONG>
- <STRONG>bool</STRONG> <STRONG>wenclose(const</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*win,</STRONG> <STRONG>int</STRONG> <STRONG>y,</STRONG> <STRONG>int</STRONG> <STRONG>x);</STRONG>
- <STRONG>bool</STRONG> <STRONG>mouse_trafo(int*</STRONG> <STRONG>pY,</STRONG> <STRONG>int*</STRONG> <STRONG>pX,</STRONG> <STRONG>bool</STRONG> <STRONG>to_screen);</STRONG>
- <STRONG>bool</STRONG> <STRONG>wmouse_trafo(const</STRONG> <STRONG>WINDOW*</STRONG> <STRONG>win,</STRONG> <STRONG>int*</STRONG> <STRONG>pY,</STRONG> <STRONG>int*</STRONG> <STRONG>pX,</STRONG>
- <STRONG>bool</STRONG> <STRONG>to_screen);</STRONG>
- <STRONG>int</STRONG> <STRONG>mouseinterval(int</STRONG> <STRONG>erval);</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>bool</STRONG> <STRONG>wmouse_trafo(const</STRONG> <STRONG>WINDOW*</STRONG> <EM>win</EM><STRONG>,</STRONG> <STRONG>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>int</STRONG> <STRONG>mouseinterval(int</STRONG> <EM>erval</EM><STRONG>);</STRONG>
-</PRE>
-<H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
+</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
These functions provide an interface to mouse events from
<STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG>. Mouse events are represented by <STRONG>KEY_MOUSE</STRONG>
pseudo-key values in the <STRONG>wgetch</STRONG> input stream.
+
+</PRE><H3><a name="h3-mousemask">mousemask</a></H3><PRE>
To make mouse events visible, use the <STRONG>mousemask</STRONG> function.
This will set the mouse events to be reported. By de-
fault, no mouse events are reported. The function will
the mouse pointer; setting a nonzero mask may turn it on.
Whether this happens is device-dependent.
+
+</PRE><H3><a name="h3-Mouse-events">Mouse events</a></H3><PRE>
Here are the mouse event type masks which may be defined:
<EM>Name</EM> <EM>Description</EM>
BUTTON2_RELEASED mouse button 2 up
BUTTON2_CLICKED mouse button 2 clicked
BUTTON2_DOUBLE_CLICKED mouse button 2 double clicked
+
+
BUTTON2_TRIPLE_CLICKED mouse button 2 triple clicked
---------------------------------------------------------------------
BUTTON3_PRESSED mouse button 3 down
-
BUTTON3_RELEASED mouse button 3 up
BUTTON3_CLICKED mouse button 3 clicked
BUTTON3_DOUBLE_CLICKED mouse button 3 double clicked
REPORT_MOUSE_POSITION report mouse movement
---------------------------------------------------------------------
+
+</PRE><H3><a name="h3-getmouse">getmouse</a></H3><PRE>
Once a class of mouse events has been made visible in a
window, calling the <STRONG>wgetch</STRONG> function on that window may re-
turn <STRONG>KEY_MOUSE</STRONG> as an indicator that a mouse event has been
invalid. A subsequent call to <STRONG>getmouse</STRONG> will retrieve the
next older item from the queue.
+
+</PRE><H3><a name="h3-ungetmouse">ungetmouse</a></H3><PRE>
The <STRONG>ungetmouse</STRONG> function behaves analogously to <STRONG>ungetch</STRONG>.
It pushes a <STRONG>KEY_MOUSE</STRONG> event onto the input queue, and as-
sociates with that event the given state data and screen-
relative character-cell coordinates.
+
+</PRE><H3><a name="h3-wenclose">wenclose</a></H3><PRE>
The <STRONG>wenclose</STRONG> function tests whether a given pair of
screen-relative character-cell coordinates is enclosed by
- a given window, returning TRUE if it is and FALSE other-
+ a given window, returning <STRONG>TRUE</STRONG> if it is and <STRONG>FALSE</STRONG> other-
wise. It is useful for determining what subset of the
screen windows enclose the location of a mouse event.
+
+</PRE><H3><a name="h3-wmouse_trafo">wmouse_trafo</a></H3><PRE>
The <STRONG>wmouse_trafo</STRONG> function transforms a given pair of coor-
dinates from stdscr-relative coordinates to coordinates
- relative to the given window or vice versa. Please remem-
- ber, that stdscr-relative coordinates are not always iden-
- tical 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>slk_init</STRONG> calls, for ex-
- ample). If the parameter <STRONG>to_screen</STRONG> is <STRONG>TRUE</STRONG>, the pointers
- <STRONG>pY,</STRONG> <STRONG>pX</STRONG> must reference the coordinates of a location inside
- the window <STRONG>win</STRONG>. They are converted to window-relative co-
- ordinates and returned through the pointers. If the con-
- version was successful, the function returns <STRONG>TRUE</STRONG>. If one
- of the parameters was NULL or the location is not inside
- the window, <STRONG>FALSE</STRONG> is returned. If <STRONG>to_screen</STRONG> is <STRONG>FALSE</STRONG>, the
- pointers <STRONG>pY,</STRONG> <STRONG>pX</STRONG> must reference window-relative coordi-
- nates. They are converted to stdscr-relative coordinates
- if the window <STRONG>win</STRONG> encloses this point. In this case the
- function returns <STRONG>TRUE</STRONG>. If one of the parameters is NULL
- or the point is not inside the window, <STRONG>FALSE</STRONG> is returned.
- Please notice, that the referenced coordinates are only
- replaced by the converted coordinates if the transforma-
- tion was successful.
-
+ relative to the given window or vice versa. The resulting
+ stdscr-relative coordinates are not always identical to
+ window-relative coordinates due to the mechanism to re-
+ serve lines on top or bottom of the screen for other pur-
+ poses (see the <STRONG>ripoffline</STRONG> and <STRONG>slk_init</STRONG> calls, for exam-
+ ple).
+
+ <STRONG>o</STRONG> If the parameter <STRONG>to_screen</STRONG> is <STRONG>TRUE</STRONG>, the pointers <STRONG>pY,</STRONG>
+ <STRONG>pX</STRONG> must reference the coordinates of a location inside
+ the window <STRONG>win</STRONG>. They are converted to window-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 NULL or the location is
+ not inside the window, <STRONG>FALSE</STRONG> is returned.
+
+ <STRONG>o</STRONG> If <STRONG>to_screen</STRONG> is <STRONG>FALSE</STRONG>, the pointers <STRONG>pY,</STRONG> <STRONG>pX</STRONG> must refer-
+ ence window-relative coordinates. They are converted
+ to stdscr-relative coordinates if the window <STRONG>win</STRONG> en-
+ closes this point. In this case the function returns
+ <STRONG>TRUE</STRONG>.
+
+ <STRONG>o</STRONG> If one of the parameters is NULL or the point is not
+ inside the window, <STRONG>FALSE</STRONG> is returned. The referenced
+ coordinates are only replaced by the converted coordi-
+ nates if the transformation was successful.
+
+
+</PRE><H3><a name="h3-mouse_trafo">mouse_trafo</a></H3><PRE>
The <STRONG>mouse_trafo</STRONG> function performs the same translation as
<STRONG>wmouse_trafo</STRONG>, using stdscr for <STRONG>win</STRONG>.
+
+</PRE><H3><a name="h3-mouseinterval">mouseinterval</a></H3><PRE>
The <STRONG>mouseinterval</STRONG> function sets the maximum time (in thou-
sands of a second) that can elapse between press and re-
lease events for them to be recognized as a click. Use
<STRONG>val(-1)</STRONG> to obtain the interval without altering it. The
default is one sixth of a second.
- The <STRONG>has_mouse</STRONG> function returns TRUE if the mouse driver
+
+</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.
Note that mouse events will be ignored when input is in
<STRONG>str</STRONG> that expects a linefeed for input-loop termination.
-</PRE>
-<H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
+</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
<STRONG>getmouse</STRONG> and <STRONG>ungetmouse</STRONG> return the integer <STRONG>ERR</STRONG> upon fail-
- ure or <STRONG>OK</STRONG> upon successful completion.
+ ure or <STRONG>OK</STRONG> upon successful completion:
+
+ <STRONG>getmouse</STRONG>
+ returns an error.
+
+ <STRONG>o</STRONG> If no mouse driver was initialized, or if the mask
+ parameter is zero,
- <STRONG>getmouse</STRONG>
- returns an error. If no mouse driver was ini-
- tialized, or if the mask parameter is zero, it
- also returns an error if no more events remain
- in the queue.
+ <STRONG>o</STRONG> It also returns an error if no more events remain
+ in the queue.
- <STRONG>ungetmouse</STRONG>
- returns an error if the FIFO is full.
+ <STRONG>ungetmouse</STRONG>
+ returns an error if the FIFO is full.
<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 re-
+ <STRONG>mouseinterval</STRONG> returns the previous interval value, unless
+ the terminal was not initialized. In that case, it re-
turns the maximum interval value (166).
- <STRONG>wenclose</STRONG> and <STRONG>wmouse_trafo</STRONG> are boolean functions returning
+ <STRONG>wenclose</STRONG> and <STRONG>wmouse_trafo</STRONG> are boolean functions returning
<STRONG>TRUE</STRONG> or <STRONG>FALSE</STRONG> depending on their test result.
-</PRE>
-<H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
- These calls were designed for <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG>, and are not
+</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
+ These calls were designed for <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG>, and are not
found in SVr4 curses, 4.4BSD curses, or any other previous
version of curses.
The feature macro <STRONG>NCURSES_MOUSE_VERSION</STRONG> is provided so the
- preprocessor can be used to test whether these features
- are present. If the interface is changed, the value of
- <STRONG>NCURSES_MOUSE_VERSION</STRONG> will be incremented. These values
- for <STRONG>NCURSES_MOUSE_VERSION</STRONG> may be specified when configur-
+ preprocessor can be used to test whether these features
+ are present. If the interface is changed, the value of
+ <STRONG>NCURSES_MOUSE_VERSION</STRONG> will be incremented. These values
+ for <STRONG>NCURSES_MOUSE_VERSION</STRONG> may be specified when configur-
ing ncurses:
- 1 has definitions for reserved events. The mask
- uses 28 bits.
+ 1 has definitions for reserved events. The mask uses
+ 28 bits.
- 2 adds definitions for button 5, removes the defi-
- nitions for reserved events. The mask uses 29
- bits.
+ 2 adds definitions for button 5, removes the defini-
+ tions for reserved events. The mask uses 29 bits.
The order of the <STRONG>MEVENT</STRONG> structure members is not guaran-
teed. Additional fields may be added to the structure in
Under <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG>, these calls are implemented using ei-
ther xterm's built-in mouse-tracking API or platform-spe-
cific drivers including
- Alessandro Rubini's gpm server
- FreeBSD sysmouse
- OS/2 EMX
+
+ <STRONG>o</STRONG> Alessandro Rubini's gpm server
+
+ <STRONG>o</STRONG> FreeBSD sysmouse
+
+ <STRONG>o</STRONG> OS/2 EMX
+
If you are using an unsupported configuration, mouse
events will not be visible to <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG> (and the <STRONG>mouse-</STRONG>
<STRONG>mask</STRONG> function will always return <STRONG>0</STRONG>).
in the xterm 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 xterm:
- \E[?1000%?%p1%{1}%=%th%el%;
- The z member in the event structure is not presently used.
+ \E[?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) or with 3D-mice/trackballs/power
gloves.
ton-releases.
-</PRE>
-<H2><a name="h2-BUGS">BUGS</a></H2><PRE>
+</PRE><H2><a name="h2-BUGS">BUGS</a></H2><PRE>
Mouse events under xterm will not in fact be ignored dur-
ing cooked mode, if they have been enabled by <STRONG>mousemask</STRONG>.
Instead, the xterm mouse report sequence will appear in
events.
-</PRE>
-<H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
+</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_kernel.3x.html">curs_kernel(3x)</A></STRONG>, <STRONG><A HREF="curs_slk.3x.html">curs_slk(3x)</A></STRONG>, <STRONG>curs_vari-</STRONG>
<STRONG><A HREF="curs_variables.3x.html">ables(3x)</A></STRONG>.
<ul>
<li><a href="#h2-NAME">NAME</a></li>
<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
-<li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
+<li><a href="#h2-DESCRIPTION">DESCRIPTION</a>
+<ul>
+<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-ungetmouse">ungetmouse</a></li>
+<li><a href="#h3-wenclose">wenclose</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>
<li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
<li><a href="#h2-BUGS">BUGS</a></li>
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