| [190] | 1 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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| 2 | <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/cursor/cursor.doc:4 -->
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| 4 | <head>
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| 5 | <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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| 6 | <title>Cursors</title>
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| 16 | <table border="0" cellpadding="0" cellspacing="0" width="100%">
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| 24 | <font color="#004faf">Main Classes</font></a>
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| 30 | <font color="#004faf">Functions</font></a>
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| 31 | </td>
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| 32 | <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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| 33 |
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| 34 |
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| 35 | <p>
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| 36 | This example shows how to set a mouse cursor for a widget.
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| 37 | <p> <hr>
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| 38 | <p> Implementation:
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| 39 | <p> <pre>/****************************************************************************
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| 40 | ** $Id: cursor-example.html 2051 2007-02-21 10:04:20Z chehrlic $
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| 41 | **
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| 42 | ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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| 43 | **
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| 44 | ** This file is part of an example program for Qt. This example
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| 45 | ** program may be used, distributed and modified without limitation.
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| 46 | **
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| 47 | *****************************************************************************/
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| 48 |
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| 49 | #include <<a href="qlabel-h.html">qlabel.h</a>>
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| 50 | #include <<a href="qbitmap-h.html">qbitmap.h</a>>
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| 51 | #include <<a href="qapplication-h.html">qapplication.h</a>>
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| 52 | #include <<a href="qlayout-h.html">qlayout.h</a>>
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| 53 | #include <<a href="qcursor-h.html">qcursor.h</a>>
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| 54 |
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| 55 | // cb_bits and cm_bits were generated by X bitmap program.
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| 56 |
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| 57 | #define cb_width 32
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| 58 | #define cb_height 32
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| 59 |
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| 60 | static unsigned char cb_bits[] = { // cursor bitmap
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| 61 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x0f, 0x00,
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| 62 | 0x00, 0x06, 0x30, 0x00, 0x80, 0x01, 0xc0, 0x00, 0x40, 0x00, 0x00, 0x01,
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| 63 | 0x20, 0x00, 0x00, 0x02, 0x10, 0x00, 0x00, 0x04, 0x08, 0x3e, 0x3e, 0x08,
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| 64 | 0x08, 0x03, 0xe0, 0x08, 0xc4, 0x00, 0x00, 0x11, 0x04, 0x1e, 0x78, 0x10,
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| 65 | 0x02, 0x0c, 0x30, 0x20, 0x02, 0x40, 0x00, 0x20, 0x02, 0x40, 0x00, 0x20,
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| 66 | 0x02, 0x40, 0x00, 0x20, 0x02, 0x20, 0x04, 0x20, 0x02, 0x20, 0x04, 0x20,
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| 67 | 0x02, 0x10, 0x08, 0x20, 0x02, 0x08, 0x08, 0x20, 0x02, 0xf0, 0x07, 0x20,
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| 68 | 0x04, 0x00, 0x00, 0x10, 0x04, 0x00, 0x00, 0x10, 0x08, 0x00, 0xc0, 0x08,
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| 69 | 0x08, 0x3c, 0x30, 0x08, 0x10, 0xe6, 0x19, 0x04, 0x20, 0x00, 0x0f, 0x02,
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| 70 | 0x40, 0x00, 0x00, 0x01, 0x80, 0x01, 0xc0, 0x00, 0x00, 0x06, 0x30, 0x00,
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| 71 | 0x00, 0xf8, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00};
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| 72 |
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| 73 | #define cm_width 32
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| 74 | #define cm_height 32
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| 75 |
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| 76 | static unsigned char cm_bits[] = { // cursor bitmap mask
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| 77 | 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x1f, 0x00, 0x00, 0xfe, 0x3f, 0x00,
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| 78 | 0x80, 0x07, 0xf0, 0x00, 0xc0, 0x01, 0xc0, 0x01, 0x60, 0x00, 0x00, 0x03,
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| 79 | 0x30, 0x00, 0x00, 0x06, 0x18, 0x00, 0x00, 0x0c, 0x0c, 0x3e, 0x3e, 0x18,
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| 80 | 0x0e, 0x03, 0xe0, 0x18, 0xc6, 0x00, 0x00, 0x31, 0x07, 0x1e, 0x78, 0x30,
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| 81 | 0x03, 0x0c, 0x30, 0x60, 0x03, 0x40, 0x00, 0x60, 0x03, 0x40, 0x00, 0x60,
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| 82 | 0x03, 0x40, 0x00, 0x60, 0x03, 0x20, 0x04, 0x60, 0x03, 0x20, 0x04, 0x60,
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| 83 | 0x03, 0x10, 0x08, 0x60, 0x03, 0x08, 0x08, 0x60, 0x03, 0xf0, 0x07, 0x60,
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| 84 | 0x06, 0x00, 0x00, 0x30, 0x06, 0x00, 0x00, 0x30, 0x0c, 0x00, 0xc0, 0x18,
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| 85 | 0x0c, 0x3c, 0x30, 0x18, 0x18, 0xe6, 0x19, 0x0c, 0x30, 0x00, 0x0f, 0x06,
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| 86 | 0x60, 0x00, 0x00, 0x03, 0xc0, 0x01, 0xc0, 0x01, 0x80, 0x07, 0xf0, 0x00,
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| 87 | 0x00, 0xfe, 0x3f, 0x00, 0x00, 0xf8, 0x0f, 0x00};
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| 88 |
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| 89 |
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| 90 | //
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| 91 | // The CursorView contains many labels with different cursors.
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| 92 | //
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| 93 |
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| 94 | class CursorView : public <a href="qwidget.html">QWidget</a> // cursor view
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| 95 | {
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| 96 | public:
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| 97 | CursorView();
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| 98 | };
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| 99 |
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| 100 | //
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| 101 | // Constructs a cursor view.
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| 102 | //
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| 103 |
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| 104 | CursorView::CursorView() // construct view
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| 105 | {
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| 106 | struct List {
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| 107 | CursorShape shape;
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| 108 | const char* name; // cursor name
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| 109 | };
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| 110 | static List list[] = {
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| 111 | { ArrowCursor, "arrowCursor" },
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| 112 | { UpArrowCursor, "upArrowCursor" },
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| 113 | { CrossCursor, "crossCursor" },
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| 114 | { WaitCursor, "waitCursor" },
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| 115 | { IbeamCursor, "ibeamCursor" },
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| 116 | { SizeVerCursor, "sizeVerCursor" },
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| 117 | { SizeHorCursor, "sizeHorCursor" },
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| 118 | { SizeBDiagCursor, "sizeBDiagCursor" },
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| 119 | { SizeFDiagCursor, "sizeFDiagCursor" },
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| 120 | { SizeAllCursor, "sizeAllCursor" },
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| 121 | { BlankCursor, "blankCursor" },
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| 122 | { SplitVCursor, "splitVCursor" },
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| 123 | { SplitHCursor, "splitHCursor" },
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| 124 | { PointingHandCursor, "pointingHandCursor" },
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| 125 | { ForbiddenCursor, "forbiddenCursor" },
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| 126 | { WhatsThisCursor, "whatsThisCursor" },
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| 127 | { BusyCursor, "busyCursor" }
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| 128 | };
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| 129 |
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| 130 | setCaption( "CursorView" ); // set window caption
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| 131 |
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| 132 | <a href="qgridlayout.html">QGridLayout</a>* grid = new <a href="qgridlayout.html">QGridLayout</a>( this, 5, 4, 20 );
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| 133 | <a href="qlabel.html">QLabel</a> *label;
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| 134 |
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| 135 | int i=0;
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| 136 | for ( int y=0; y<4; y++ ) { // create the small labels
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| 137 | for ( int x=0; x<4; x++ ) {
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| 138 | label = new <a href="qlabel.html">QLabel</a>( this );
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| 139 | <a name="x1121"></a> label-><a href="qwidget.html#setCursor">setCursor</a>( QCursor( list[i].shape ) );
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| 140 | <a name="x1119"></a> label-><a href="qlabel.html#setText">setText</a>( list[i].name );
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| 141 | <a name="x1118"></a> label-><a href="qlabel.html#setAlignment">setAlignment</a>( AlignCenter );
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| 142 | <a name="x1115"></a> label-><a href="qframe.html#setMargin">setMargin</a>( 10 );
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| 143 | <a name="x1114"></a> label-><a href="qframe.html#setFrameStyle">setFrameStyle</a>( QFrame::Box | QFrame::Raised );
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| 144 | grid-><a href="qgridlayout.html#addWidget">addWidget</a>( label, x, y );
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| 145 | i++;
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| 146 | }
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| 147 | }
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| 148 |
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| 149 |
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| 150 | label = new <a href="qlabel.html">QLabel</a>( this );
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| 151 | label-><a href="qwidget.html#setCursor">setCursor</a>( QCursor( list[i].shape ) );
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| 152 | label-><a href="qlabel.html#setText">setText</a>( list[i].name );
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| 153 | label-><a href="qlabel.html#setAlignment">setAlignment</a>( AlignCenter );
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| 154 | label-><a href="qframe.html#setMargin">setMargin</a>( 10 );
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| 155 | label-><a href="qframe.html#setFrameStyle">setFrameStyle</a>( QFrame::Box | QFrame::Raised );
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| 156 | grid-><a href="qgridlayout.html#addWidget">addWidget</a>( label, 4, 0 );
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| 157 |
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| 158 |
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| 159 |
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| 160 | <a href="qbitmap.html">QBitmap</a> cb( cb_width, cb_height, cb_bits, TRUE );
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| 161 | <a href="qbitmap.html">QBitmap</a> cm( cm_width, cm_height, cm_bits, TRUE );
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| 162 | <a href="qcursor.html">QCursor</a> custom( cb, cm ); // create bitmap cursor
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| 163 |
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| 164 | label = new <a href="qlabel.html">QLabel</a>( this ); // create the big label
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| 165 | label-><a href="qwidget.html#setCursor">setCursor</a>( custom );
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| 166 | label-><a href="qlabel.html#setText">setText</a>( "Custom bitmap cursor" );
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| 167 | label-><a href="qlabel.html#setAlignment">setAlignment</a>( AlignCenter );
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| 168 | label-><a href="qframe.html#setMargin">setMargin</a>( 10 );
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| 169 | label-><a href="qframe.html#setFrameStyle">setFrameStyle</a>( QFrame::Box | QFrame::Sunken );
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| 170 | <a name="x1116"></a> grid-><a href="qgridlayout.html#addMultiCellWidget">addMultiCellWidget</a>( label, 4, 4, 1, 3 );
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| 171 |
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| 172 | }
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| 173 |
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| 174 |
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| 175 | //
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| 176 | // Create and display a CursorView.
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| 177 | //
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| 178 |
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| 179 | int main( int argc, char **argv )
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| 180 | {
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| 181 | <a href="qapplication.html">QApplication</a> a( argc, argv ); // application object
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| 182 | CursorView v; // cursor view
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| 183 | a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( &v );
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| 184 | v.<a href="qwidget.html#setCaption">setCaption</a>("Qt Example - Cursors");
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| 185 | v.<a href="qwidget.html#show">show</a>();
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| 186 | return a.<a href="qapplication.html#exec">exec</a>();
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| 187 | }
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| 188 | </pre>
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| 189 |
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| 190 | <p> <p>See also <a href="examples.html">Examples</a>.
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| 191 |
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| 192 | <!-- eof -->
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| 193 | <p><address><hr><div align=center>
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| 194 | <table width=100% cellspacing=0 border=0><tr>
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| 195 | <td>Copyright © 2007
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| 196 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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| 197 | <td align=right><div align=right>Qt 3.3.8</div>
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| 198 | </table></div></address></body>
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| 199 | </html>
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