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106 lines
4.8 KiB
106 lines
4.8 KiB
13 years ago
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'\" t
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.TH QWSInputMethod 3qt "2 February 2007" "Trolltech AS" \" -*- nroff -*-
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.\" Copyright 1992-2007 Trolltech ASA. All rights reserved. See the
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.\" license file included in the distribution for a complete license
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.\" statement.
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.\"
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.ad l
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.nh
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.SH NAME
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QWSInputMethod \- International input methods for Qt/Embedded
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.SH SYNOPSIS
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\fC#include <qwindowsystem_qws.h>\fR
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.PP
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.SS "Public Members"
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.in +1c
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.ti -1c
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.BI "\fBQWSInputMethod\fR ()"
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.br
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.ti -1c
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.BI "virtual \fB~QWSInputMethod\fR ()"
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.br
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.ti -1c
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.BI "virtual bool \fBfilter\fR ( int unicode, int keycode, int modifiers, bool isPress, bool autoRepeat ) = 0"
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.br
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.ti -1c
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.BI "virtual void \fBreset\fR ()"
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.br
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.ti -1c
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.BI "virtual void \fBsetMicroFocus\fR ( int x, int y )"
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.br
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.ti -1c
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.BI "virtual void \fBsetFont\fR ( const QFont & )"
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.br
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.in -1c
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.SS "Protected Members"
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.in +1c
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.ti -1c
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.BI "void \fBsendIMEvent\fR ( QWSServer::IMState state, const QString & txt, int cpos, int selLen = 0 )"
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.br
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.in -1c
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.SH DESCRIPTION
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The QWSInputMethod class provides international input methods for Qt/Embedded.
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.PP
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Subclass this class to implement your own input method.
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.PP
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An input methods consists of a keyboard filter and optionally a graphical interface. The keyboard filter intercepts key events from physical or virtual keyboards by implementing the filter() function.
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.PP
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Use sendIMEvent() to send composition events. Composition starts with the input method sending an \fCIMStart\fR event, followed by a number of \fCIMCompose\fR events and ending with an \fCIMEnd\fR event or when the virtual reset() function is called.
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.PP
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The functions setMicroFocus() and setFont() can be reimplemented to receive more information about the state of the focus widget.
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.PP
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Use QWSServer::setCurrentInputMethod() to install an input method.
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.PP
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See also Qt/Embedded.
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.SH MEMBER FUNCTION DOCUMENTATION
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.SH "QWSInputMethod::QWSInputMethod ()"
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Constructs a new input method
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.SH "QWSInputMethod::~QWSInputMethod ()\fC [virtual]\fR"
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Destructs the input method uninstalling it if it is currently installed.
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.SH "bool QWSInputMethod::filter ( int unicode, int keycode, int modifiers, bool isPress, bool autoRepeat )\fC [pure virtual]\fR"
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This function must be implemented in subclasses to handle key input from physical or virtual keyboards. Returning TRUE will block the event from further processing.
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.PP
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The Unicode value is given in \fIunicode\fR and the key code in \fIkeycode\fR. Keyboard modifiers are OR-ed together in \fImodifiers\fR. If \fIisPress\fR is TRUE this is a key press; otherwise it is a key release. If \fIautoRepeat\fR is TRUE this is an auto-repeated key press.
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.PP
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All normal key events should be blocked while in compose mode (i.e., between \fCIMStart\fR and \fCIMEnd\fR).
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.SH "void QWSInputMethod::reset ()\fC [virtual]\fR"
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Implemented in subclasses to reset the state of the input method.
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.SH "void QWSInputMethod::sendIMEvent ( QWSServer::IMState state, const QString & txt, int cpos, int selLen = 0 )\fC [protected]\fR"
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Causes a QIMEvent to be sent to the focus widget. \fIstate\fR may be one of QWSServer::IMStart, QWSServer::IMCompose or QWSServer::IMEnd.
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.PP
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\fItxt\fR is the text being composed (or the finished text if state is \fCIMEnd\fR). \fIcpos\fR is the current cursor position.
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.PP
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If state is \fCIMCompose\fR, \fIselLen\fR is the number of characters in the composition string (starting at \fIcpos\fR) that should be marked as selected by the input widget receiving the event.
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.SH "void QWSInputMethod::setFont ( const QFont & )\fC [virtual]\fR"
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Implemented in subclasses to handle font changes in the focus widget.
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.PP
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This functionality is provided for future expansion; it is not used in this version of Qt/Embedded.
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.SH "void QWSInputMethod::setMicroFocus ( int x, int y )\fC [virtual]\fR"
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Implemented in subclasses to handle microFocusHint changes in the focus widget. \fIx\fR and \fIy\fR are the global coordinates of the text cursor.
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.PP
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.SH "SEE ALSO"
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.BR http://doc.trolltech.com/qwsinputmethod.html
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.BR http://www.trolltech.com/faq/tech.html
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.SH COPYRIGHT
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Copyright 1992-2007 Trolltech ASA, http://www.trolltech.com. See the
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license file included in the distribution for a complete license
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statement.
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.SH AUTHOR
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Generated automatically from the source code.
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.SH BUGS
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If you find a bug in Qt, please report it as described in
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.BR http://doc.trolltech.com/bughowto.html .
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Good bug reports help us to help you. Thank you.
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.P
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The definitive Qt documentation is provided in HTML format; it is
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located at $QTDIR/doc/html and can be read using Qt Assistant or with
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a web browser. This man page is provided as a convenience for those
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users who prefer man pages, although this format is not officially
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supported by Trolltech.
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.P
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If you find errors in this manual page, please report them to
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.BR qt-bugs@trolltech.com .
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Please include the name of the manual page (qwsinputmethod.3qt) and the Qt
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version (3.3.8).
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