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200 lines
8.5 KiB
200 lines
8.5 KiB
14 years ago
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/cursor/cursor.doc:4 -->
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>Cursors</title>
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<style type="text/css"><!--
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fn { margin-left: 1cm; text-indent: -1cm; }
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a:visited { color: #672967; text-decoration: none }
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body { background: #ffffff; color: black; }
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--></style>
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<body>
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<table border="0" cellpadding="0" cellspacing="0" width="100%">
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<tr bgcolor="#E5E5E5">
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<td valign=center>
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<a href="index.html">
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<font color="#004faf">Home</font></a>
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<font color="#004faf">All Classes</font></a>
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<font color="#004faf">Functions</font></a>
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</td>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Cursors</h1>
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<p>
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This example shows how to set a mouse cursor for a widget.
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<p> <hr>
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<p> Implementation:
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<p> <pre>/****************************************************************************
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** $Id: qt/cursor.cpp 3.3.8 edited Jan 11 14:37 $
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for Qt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include <<a href="qlabel-h.html">qlabel.h</a>>
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#include <<a href="qbitmap-h.html">qbitmap.h</a>>
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#include <<a href="qapplication-h.html">qapplication.h</a>>
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#include <<a href="qlayout-h.html">qlayout.h</a>>
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#include <<a href="qcursor-h.html">qcursor.h</a>>
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// cb_bits and cm_bits were generated by X bitmap program.
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#define cb_width 32
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#define cb_height 32
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static unsigned char cb_bits[] = { // cursor bitmap
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x0f, 0x00,
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0x00, 0x06, 0x30, 0x00, 0x80, 0x01, 0xc0, 0x00, 0x40, 0x00, 0x00, 0x01,
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0x20, 0x00, 0x00, 0x02, 0x10, 0x00, 0x00, 0x04, 0x08, 0x3e, 0x3e, 0x08,
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0x08, 0x03, 0xe0, 0x08, 0xc4, 0x00, 0x00, 0x11, 0x04, 0x1e, 0x78, 0x10,
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0x02, 0x0c, 0x30, 0x20, 0x02, 0x40, 0x00, 0x20, 0x02, 0x40, 0x00, 0x20,
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0x02, 0x40, 0x00, 0x20, 0x02, 0x20, 0x04, 0x20, 0x02, 0x20, 0x04, 0x20,
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0x02, 0x10, 0x08, 0x20, 0x02, 0x08, 0x08, 0x20, 0x02, 0xf0, 0x07, 0x20,
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0x04, 0x00, 0x00, 0x10, 0x04, 0x00, 0x00, 0x10, 0x08, 0x00, 0xc0, 0x08,
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0x08, 0x3c, 0x30, 0x08, 0x10, 0xe6, 0x19, 0x04, 0x20, 0x00, 0x0f, 0x02,
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0x40, 0x00, 0x00, 0x01, 0x80, 0x01, 0xc0, 0x00, 0x00, 0x06, 0x30, 0x00,
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0x00, 0xf8, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00};
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#define cm_width 32
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#define cm_height 32
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static unsigned char cm_bits[] = { // cursor bitmap mask
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0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x1f, 0x00, 0x00, 0xfe, 0x3f, 0x00,
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0x80, 0x07, 0xf0, 0x00, 0xc0, 0x01, 0xc0, 0x01, 0x60, 0x00, 0x00, 0x03,
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0x30, 0x00, 0x00, 0x06, 0x18, 0x00, 0x00, 0x0c, 0x0c, 0x3e, 0x3e, 0x18,
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0x0e, 0x03, 0xe0, 0x18, 0xc6, 0x00, 0x00, 0x31, 0x07, 0x1e, 0x78, 0x30,
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0x03, 0x0c, 0x30, 0x60, 0x03, 0x40, 0x00, 0x60, 0x03, 0x40, 0x00, 0x60,
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0x03, 0x40, 0x00, 0x60, 0x03, 0x20, 0x04, 0x60, 0x03, 0x20, 0x04, 0x60,
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0x03, 0x10, 0x08, 0x60, 0x03, 0x08, 0x08, 0x60, 0x03, 0xf0, 0x07, 0x60,
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0x06, 0x00, 0x00, 0x30, 0x06, 0x00, 0x00, 0x30, 0x0c, 0x00, 0xc0, 0x18,
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0x0c, 0x3c, 0x30, 0x18, 0x18, 0xe6, 0x19, 0x0c, 0x30, 0x00, 0x0f, 0x06,
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0x60, 0x00, 0x00, 0x03, 0xc0, 0x01, 0xc0, 0x01, 0x80, 0x07, 0xf0, 0x00,
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0x00, 0xfe, 0x3f, 0x00, 0x00, 0xf8, 0x0f, 0x00};
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//
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// The CursorView contains many labels with different cursors.
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//
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class CursorView : public <a href="qwidget.html">QWidget</a> // cursor view
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{
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public:
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CursorView();
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};
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//
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// Constructs a cursor view.
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//
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CursorView::CursorView() // construct view
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{
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struct List {
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CursorShape shape;
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const char* name; // cursor name
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};
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static List list[] = {
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{ ArrowCursor, "arrowCursor" },
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{ UpArrowCursor, "upArrowCursor" },
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{ CrossCursor, "crossCursor" },
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{ WaitCursor, "waitCursor" },
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{ IbeamCursor, "ibeamCursor" },
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{ SizeVerCursor, "sizeVerCursor" },
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{ SizeHorCursor, "sizeHorCursor" },
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{ SizeBDiagCursor, "sizeBDiagCursor" },
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{ SizeFDiagCursor, "sizeFDiagCursor" },
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{ SizeAllCursor, "sizeAllCursor" },
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{ BlankCursor, "blankCursor" },
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{ SplitVCursor, "splitVCursor" },
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{ SplitHCursor, "splitHCursor" },
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{ PointingHandCursor, "pointingHandCursor" },
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{ ForbiddenCursor, "forbiddenCursor" },
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{ WhatsThisCursor, "whatsThisCursor" },
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{ BusyCursor, "busyCursor" }
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};
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setCaption( "CursorView" ); // set window caption
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<a href="qgridlayout.html">QGridLayout</a>* grid = new <a href="qgridlayout.html">QGridLayout</a>( this, 5, 4, 20 );
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<a href="qlabel.html">QLabel</a> *label;
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int i=0;
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for ( int y=0; y<4; y++ ) { // create the small labels
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for ( int x=0; x<4; x++ ) {
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label = new <a href="qlabel.html">QLabel</a>( this );
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<a name="x1121"></a> label-><a href="qwidget.html#setCursor">setCursor</a>( QCursor( list[i].shape ) );
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<a name="x1119"></a> label-><a href="qlabel.html#setText">setText</a>( list[i].name );
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<a name="x1118"></a> label-><a href="qlabel.html#setAlignment">setAlignment</a>( AlignCenter );
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<a name="x1115"></a> label-><a href="qframe.html#setMargin">setMargin</a>( 10 );
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<a name="x1114"></a> label-><a href="qframe.html#setFrameStyle">setFrameStyle</a>( QFrame::Box | QFrame::Raised );
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grid-><a href="qgridlayout.html#addWidget">addWidget</a>( label, x, y );
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i++;
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}
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}
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label = new <a href="qlabel.html">QLabel</a>( this );
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label-><a href="qwidget.html#setCursor">setCursor</a>( QCursor( list[i].shape ) );
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label-><a href="qlabel.html#setText">setText</a>( list[i].name );
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label-><a href="qlabel.html#setAlignment">setAlignment</a>( AlignCenter );
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label-><a href="qframe.html#setMargin">setMargin</a>( 10 );
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label-><a href="qframe.html#setFrameStyle">setFrameStyle</a>( QFrame::Box | QFrame::Raised );
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grid-><a href="qgridlayout.html#addWidget">addWidget</a>( label, 4, 0 );
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<a href="qbitmap.html">QBitmap</a> cb( cb_width, cb_height, cb_bits, TRUE );
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<a href="qbitmap.html">QBitmap</a> cm( cm_width, cm_height, cm_bits, TRUE );
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<a href="qcursor.html">QCursor</a> custom( cb, cm ); // create bitmap cursor
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label = new <a href="qlabel.html">QLabel</a>( this ); // create the big label
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label-><a href="qwidget.html#setCursor">setCursor</a>( custom );
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label-><a href="qlabel.html#setText">setText</a>( "Custom bitmap cursor" );
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label-><a href="qlabel.html#setAlignment">setAlignment</a>( AlignCenter );
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label-><a href="qframe.html#setMargin">setMargin</a>( 10 );
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label-><a href="qframe.html#setFrameStyle">setFrameStyle</a>( QFrame::Box | QFrame::Sunken );
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<a name="x1116"></a> grid-><a href="qgridlayout.html#addMultiCellWidget">addMultiCellWidget</a>( label, 4, 4, 1, 3 );
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}
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//
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// Create and display a CursorView.
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//
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int main( int argc, char **argv )
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{
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<a href="qapplication.html">QApplication</a> a( argc, argv ); // application object
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CursorView v; // cursor view
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a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( &v );
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v.<a href="qwidget.html#setCaption">setCaption</a>("Qt Example - Cursors");
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v.<a href="qwidget.html#show">show</a>();
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return a.<a href="qapplication.html#exec">exec</a>();
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}
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</pre>
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<p> <p>See also <a href="examples.html">Examples</a>.
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<!-- eof -->
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<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>Qt 3.3.8</div>
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</table></div></address></body>
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</html>
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