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# Cursors

This example shows how to set a mouse cursor for a widget.

Implementation:

    /****************************************************************************
    ** $Id: qt/cursor.cpp   3.3.8   edited Jan 11 14:37 $
    **
    ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
    **
    ** This file is part of an example program for TQt.  This example
    ** program may be used, distributed and modified without limitation.
    **
    *****************************************************************************/

    #include <ntqlabel.h>
    #include <ntqbitmap.h>
    #include <ntqapplication.h>
    #include <ntqlayout.h>
    #include <ntqcursor.h>

    // cb_bits and cm_bits were generated by X bitmap program.

    #define cb_width  32
    #define cb_height 32

    static unsigned char cb_bits[] = {              // cursor bitmap
       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x0f, 0x00,
       0x00, 0x06, 0x30, 0x00, 0x80, 0x01, 0xc0, 0x00, 0x40, 0x00, 0x00, 0x01,
       0x20, 0x00, 0x00, 0x02, 0x10, 0x00, 0x00, 0x04, 0x08, 0x3e, 0x3e, 0x08,
       0x08, 0x03, 0xe0, 0x08, 0xc4, 0x00, 0x00, 0x11, 0x04, 0x1e, 0x78, 0x10,
       0x02, 0x0c, 0x30, 0x20, 0x02, 0x40, 0x00, 0x20, 0x02, 0x40, 0x00, 0x20,
       0x02, 0x40, 0x00, 0x20, 0x02, 0x20, 0x04, 0x20, 0x02, 0x20, 0x04, 0x20,
       0x02, 0x10, 0x08, 0x20, 0x02, 0x08, 0x08, 0x20, 0x02, 0xf0, 0x07, 0x20,
       0x04, 0x00, 0x00, 0x10, 0x04, 0x00, 0x00, 0x10, 0x08, 0x00, 0xc0, 0x08,
       0x08, 0x3c, 0x30, 0x08, 0x10, 0xe6, 0x19, 0x04, 0x20, 0x00, 0x0f, 0x02,
       0x40, 0x00, 0x00, 0x01, 0x80, 0x01, 0xc0, 0x00, 0x00, 0x06, 0x30, 0x00,
       0x00, 0xf8, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00};

    #define cm_width  32
    #define cm_height 32

    static unsigned char cm_bits[] = {              // cursor bitmap mask
       0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x1f, 0x00, 0x00, 0xfe, 0x3f, 0x00,
       0x80, 0x07, 0xf0, 0x00, 0xc0, 0x01, 0xc0, 0x01, 0x60, 0x00, 0x00, 0x03,
       0x30, 0x00, 0x00, 0x06, 0x18, 0x00, 0x00, 0x0c, 0x0c, 0x3e, 0x3e, 0x18,
       0x0e, 0x03, 0xe0, 0x18, 0xc6, 0x00, 0x00, 0x31, 0x07, 0x1e, 0x78, 0x30,
       0x03, 0x0c, 0x30, 0x60, 0x03, 0x40, 0x00, 0x60, 0x03, 0x40, 0x00, 0x60,
       0x03, 0x40, 0x00, 0x60, 0x03, 0x20, 0x04, 0x60, 0x03, 0x20, 0x04, 0x60,
       0x03, 0x10, 0x08, 0x60, 0x03, 0x08, 0x08, 0x60, 0x03, 0xf0, 0x07, 0x60,
       0x06, 0x00, 0x00, 0x30, 0x06, 0x00, 0x00, 0x30, 0x0c, 0x00, 0xc0, 0x18,
       0x0c, 0x3c, 0x30, 0x18, 0x18, 0xe6, 0x19, 0x0c, 0x30, 0x00, 0x0f, 0x06,
       0x60, 0x00, 0x00, 0x03, 0xc0, 0x01, 0xc0, 0x01, 0x80, 0x07, 0xf0, 0x00,
       0x00, 0xfe, 0x3f, 0x00, 0x00, 0xf8, 0x0f, 0x00};

    //
    // The CursorView contains many labels with different cursors.
    //

    class CursorView : public TQWidget               // cursor view
    {
    public:
        CursorView();
    };

    //
    // Constructs a cursor view.
    //

    CursorView::CursorView()                        // construct view
    {
        struct List {
            CursorShape     shape;
            const char*     name;                   // cursor name
        };
        static List list[] = {
            { ArrowCursor,          "arrowCursor" },
            { UpArrowCursor,        "upArrowCursor" },
            { CrossCursor,          "crossCursor" },
            { WaitCursor,           "waitCursor" },
            { IbeamCursor,          "ibeamCursor" },
            { SizeVerCursor,        "sizeVerCursor" },
            { SizeHorCursor,        "sizeHorCursor" },
            { SizeBDiagCursor,      "sizeBDiagCursor" },
            { SizeFDiagCursor,      "sizeFDiagCursor" },
            { SizeAllCursor,        "sizeAllCursor" },
            { BlankCursor,          "blankCursor" },
            { SplitVCursor,         "splitVCursor" },
            { SplitHCursor,         "splitHCursor" },
            { PointingHandCursor,   "pointingHandCursor" },
            { ForbiddenCursor,      "forbiddenCursor" },
            { WhatsThisCursor,      "whatsThisCursor" },
            { BusyCursor,           "busyCursor" }
        };

        setCaption( "CursorView" );                 // set window caption

        TQGridLayout* grid = new TQGridLayout( this, 5, 4, 20 );
        TQLabel *label;

        int i=0;
        for ( int y=0; y<4; y++ ) {                 // create the small labels
            for ( int x=0; x<4; x++ ) {
                label = new TQLabel( this );
                label->setCursor( TQCursor( list[i].shape ) );
                label->setText( list[i].name );
                label->setAlignment( AlignCenter );
                label->setMargin( 10 );
                label->setFrameStyle( TQFrame::Box | TQFrame::Raised );
                grid->addWidget( label, x, y );
                i++;
            }
        }

        label = new TQLabel( this );
        label->setCursor( TQCursor( list[i].shape ) );
        label->setText( list[i].name );
        label->setAlignment( AlignCenter );
        label->setMargin( 10 );
        label->setFrameStyle( TQFrame::Box | TQFrame::Raised );
        grid->addWidget( label, 4, 0 );

        TQBitmap cb( cb_width, cb_height, cb_bits, TRUE );
        TQBitmap cm( cm_width, cm_height, cm_bits, TRUE );
        TQCursor custom( cb, cm );                   // create bitmap cursor

        label = new TQLabel( this );                 // create the big label
        label->setCursor( custom );
        label->setText( "Custom bitmap cursor" );
        label->setAlignment( AlignCenter );
        label->setMargin( 10 );
        label->setFrameStyle( TQFrame::Box | TQFrame::Sunken );
        grid->addMultiCellWidget( label, 4, 4, 1, 3 );

    }

    //
    // Create and display a CursorView.
    //

    int main( int argc, char **argv )
    {
        TQApplication a( argc, argv );               // application object
        CursorView   v;                             // cursor view
        a.setMainWidget( &v );
        v.setCaption("TQt Example - Cursors");
        v.show();
        return a.exec();
    }

See also Examples.