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164 lines
8.5 KiB
164 lines
8.5 KiB
'\" t
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.TH QToolBar 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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QToolBar \- Movable panel containing widgets such as tool buttons
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.SH SYNOPSIS
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\fC#include <ntqtoolbar.h>\fR
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.PP
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Inherits QDockWindow.
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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 "QToolBar ( const QString & label, QMainWindow *, ToolBarDock = DockTop, bool newLine = FALSE, const char * name = 0 ) \fI(obsolete)\fR"
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.br
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.ti -1c
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.BI "\fBQToolBar\fR ( const QString & label, QMainWindow * mainWindow, QWidget * parent, bool newLine = FALSE, const char * name = 0, WFlags f = 0 )"
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.br
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.ti -1c
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.BI "\fBQToolBar\fR ( QMainWindow * parent = 0, const char * name = 0 )"
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.br
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.ti -1c
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.BI "void \fBaddSeparator\fR ()"
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.br
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.ti -1c
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.BI "QMainWindow * \fBmainWindow\fR () const"
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.br
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.ti -1c
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.BI "virtual void \fBsetStretchableWidget\fR ( QWidget * w )"
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.br
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.ti -1c
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.BI "virtual void \fBsetLabel\fR ( const QString & )"
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.br
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.ti -1c
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.BI "QString \fBlabel\fR () const"
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.br
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.ti -1c
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.BI "virtual void \fBclear\fR ()"
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.br
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.in -1c
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.SS "Properties"
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.in +1c
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.ti -1c
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.BI "QString \fBlabel\fR - the toolbar's label"
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.br
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.in -1c
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.SH DESCRIPTION
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The QToolBar class provides a movable panel containing widgets such as tool buttons.
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.PP
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A toolbar is a panel that contains a set of controls, usually represented by small icons. It's purpose is to provide quick access to frequently used commands or options. Within a QMainWindow the user can drag toolbars within and between the dock areas. Toolbars can also be dragged out of any dock area to float freely as top-level windows.
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.PP
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QToolBar is a specialization of QDockWindow, and so provides all the functionality of a QDockWindow.
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.PP
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To use QToolBar you simply create a QToolBar as a child of a QMainWindow, create a number of QToolButton widgets (or other widgets) in left to right (or top to bottom) order and call addSeparator() when you want a separator. When a toolbar is floated the caption used is the label given in the constructor call. This can be changed with setLabel().
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.PP
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.nf
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.br
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QToolBar * fileTools = new QToolBar( this, "file operations" );
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.br
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fileTools->setLabel( "File Operations" );
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.br
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fileOpenAction->addTo( fileTools );
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.br
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fileSaveAction->addTo( fileTools );
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.fi
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.PP
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This extract from the application/application.cpp example shows the creation of a new toolbar as a child of a QMainWindow and adding two QActions.
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.PP
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You may use most widgets within a toolbar, with QToolButton and QComboBox being the most common.
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.PP
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If you create a new widget on an already visible QToolBar, this widget will automatically become visible without needing a show() call. (This differs from every other TQt widget container. We recommend calling show() anyway since we hope to fix this anomaly in a future release.)
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.PP
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QToolBars, like QDockWindows, are located in QDockAreas or float as top-level windows. QMainWindow provides four QDockAreas (top, left, right and bottom). When you create a new toolbar (as in the example above) as a child of a QMainWindow the toolbar will be added to the top dock area. You can move it to another dock area (or float it) by calling QMainWindow::moveDockWindow(). QDock areas lay out their windows in Lines.
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.PP
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If the main window is resized so that the area occupied by the toolbar is too small to show all its widgets a little arrow button (which looks like a right-pointing chevron, '»') will appear at the right or bottom of the toolbar depending on its orientation. Clicking this button pops up a menu that shows the 'overflowing' items. QToolButtons are represented in the menu using their textLabel property, other QButton subclasses are represented using their text property, and QComboBoxes are represented as submenus, with the caption text being used in the submenu item.
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.PP
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Usually a toolbar will get precisely the space it needs. However, with setHorizontalStretchable(), setVerticalStretchable() or setStretchableWidget() you can tell the main window to expand the toolbar to fill all available space in the specified orientation.
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.PP
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The toolbar arranges its buttons either horizontally or vertically (see orientation() for details). Generally, QDockArea will set the orientation correctly for you, but you can set it yourself with setOrientation() and track any changes by connecting to the orientationChanged() signal.
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.PP
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You can use the clear() method to remove all items from a toolbar.
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.PP
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<center>
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.ce 1
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.B "[Image Omitted]"
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.PP
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</center> <blockquote><p align="center">\fI A floating QToolbar (dock window) \fR</p> </blockquote>
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.PP
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See also QToolButton, QMainWindow, Parts of Isys on Visual Design, GUI Design Handbook: Tool Bar, and Main Window and Related Classes.
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.SH MEMBER FUNCTION DOCUMENTATION
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.SH "QToolBar::QToolBar ( const QString & label, QMainWindow *, ToolBarDock = DockTop, bool newLine = FALSE, const char * name = 0 )"
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\fBThis function is obsolete.\fR It is provided to keep old source working. We strongly advise against using it in new code.
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.SH "QToolBar::QToolBar ( const QString & label, QMainWindow * mainWindow, QWidget * parent, bool newLine = FALSE, const char * name = 0, WFlags f = 0 )"
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Constructs an empty horizontal toolbar.
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.PP
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The toolbar is called \fIname\fR and is a child of \fIparent\fR and is managed by \fImainWindow\fR. The \fIlabel\fR and \fInewLine\fR parameters are passed straight to QMainWindow::addDockWindow(). \fIname\fR and the widget flags \fIf\fR are passed on to the QDockWindow constructor.
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.PP
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Use this constructor if you want to create torn-off (undocked, floating) toolbars or toolbars in the status bar.
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.SH "QToolBar::QToolBar ( QMainWindow * parent = 0, const char * name = 0 )"
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This is an overloaded member function, provided for convenience. It behaves essentially like the above function.
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.PP
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Constructs an empty toolbar called \fIname\fR, with parent \fIparent\fR, in its \fIparent\fR's top dock area, without any label and without requiring a newline.
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.SH "void QToolBar::addSeparator ()"
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Adds a separator to the right/bottom of the toolbar.
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.PP
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Examples:
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.)l chart/chartform.cpp, fileiconview/mainwindow.cpp, helpviewer/helpwindow.cpp, qfd/fontdisplayer.cpp, and scribble/scribble.cpp.
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.SH "void QToolBar::clear ()\fC [virtual]\fR"
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Deletes all the toolbar's child widgets.
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.SH "QString QToolBar::label () const"
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Returns the toolbar's label. See the "label" property for details.
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.SH "QMainWindow * QToolBar::mainWindow () const"
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Returns a pointer to the QMainWindow which manages this toolbar.
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.SH "void QToolBar::setLabel ( const QString & )\fC [virtual]\fR"
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Sets the toolbar's label. See the "label" property for details.
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.SH "void QToolBar::setStretchableWidget ( QWidget * w )\fC [virtual]\fR"
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Sets the widget \fIw\fR to be expanded if this toolbar is requested to stretch.
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.PP
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The request to stretch might occur because QMainWindow right-justifies the dock area the toolbar is in, or because this toolbar's isVerticalStretchable() or isHorizontalStretchable() is set to TRUE.
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.PP
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If you call this function and the toolbar is not yet stretchable, setStretchable() is called.
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.PP
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See also QMainWindow::rightJustification, setVerticalStretchable(), and setHorizontalStretchable().
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.PP
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Examples:
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.)l fileiconview/mainwindow.cpp and helpviewer/helpwindow.cpp.
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.SS "Property Documentation"
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.SH "QString label"
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This property holds the toolbar's label.
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.PP
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If the toolbar is floated the label becomes the toolbar window's caption. There is no default label text.
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.PP
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Set this property's value with setLabel() and get this property's value with label().
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.SH "SEE ALSO"
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.BR http://doc.trolltech.com/ntqtoolbar.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 TQt documentation is provided in HTML format; it is
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located at $TQTDIR/doc/html and can be read using TQt 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 (tqtoolbar.3qt) and the Qt
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version (3.3.8).
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