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Qt Toolkit - mainlyQt/editor.cpp example file
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<h1 align=center>Editor Example</h1>
<p>
This example shows two simple text editors, with most of the
program written in Qt. One editor is a Qt QMultiLineEdit, the
other is an Athena Widgets text widget. They are bound together
in a Qt main window.
<pre>#include "<a name="qxt.h"></a><a href="qxt-h.html">qxt.h</a>"
#include <<a name="qmainwindow.h"></a><a href="qmainwindow-h.html">qmainwindow.h</a>>
#include <<a name="qmultilineedit.h"></a><a href="qmultilineedit-h.html">qmultilineedit.h</a>>
#include <<a name="qpainter.h"></a><a href="qpainter-h.html">qpainter.h</a>>
#include <<a name="qmessagebox.h"></a><a href="qmessagebox-h.html">qmessagebox.h</a>>
#include <<a name="qpopupmenu.h"></a><a href="qpopupmenu-h.html">qpopupmenu.h</a>>
#include <<a name="qmenubar.h"></a><a href="qmenubar-h.html">qmenubar.h</a>>
#include <<a name="qsplitter.h"></a><a href="qsplitter-h.html">qsplitter.h</a>>
#include <X11/IntrinsicP.h>
#include <X11/Shell.h>
#include <X11/StringDefs.h>
#include <X11/Xaw/AsciiText.h>
static const char* QTEDMSG =
"This is a Qt widget.\nIt is a QMultiLineEdit.";
static const char* XTEDMSG =
"This is an Xt widget.\nIt is an asciiTextWidgetClass.";
class EncapsulatedXtWidget : public QXtWidget {
Widget editor;
public:
EncapsulatedXtWidget(<a name="QWidget"></a><a href="qwidget.html">QWidget</a>* parent) :
<a name="QXtWidget"></a><a href="qxtwidget.html">QXtWidget</a>( "shell", topLevelShellWidgetClass, parent )
{
Arg args[20];
Cardinal nargs=0;
XtSetArg(args[nargs], XtNeditType, XawtextEdit); nargs++;
XtSetArg(args[nargs], XtNstring, XTEDMSG); nargs++;
editor = XtCreateWidget( "editor", asciiTextWidgetClass, xtWidget(), args, nargs);
XtRealizeWidget( editor );
XtMapWidget( editor );
}
void resizeEvent( <a name="QResizeEvent"></a><a href="qresizeevent.html">QResizeEvent</a>* e )
{
<a name="QXtWidget::resizeEvent"></a><a href="qxtwidget.html#71ff15">QXtWidget::resizeEvent</a>( e );
XtResizeWidget( editor, width(), height(), 2 );
}
};
class TwoEditors : public QMainWindow {
<a name="QMultiLineEdit"></a><a href="qmultilineedit.html">QMultiLineEdit</a>* qtchild;
EncapsulatedXtWidget* xtchild;
public:
TwoEditors() :
<a name="QMainWindow"></a><a href="qmainwindow.html">QMainWindow</a>( 0, "mainWindow")
{
<a name="QPopupMenu"></a><a href="qpopupmenu.html">QPopupMenu</a>* file = new <a href="qpopupmenu.html">QPopupMenu</a>( this );
file-><a name="insertItem"></a><a href="qmenudata.html#0076cb">insertItem</a>("E&xit", qApp, SLOT( quit() ) );
menuBar()->insertItem( "&File", file );
statusBar();
<a name="QSplitter"></a><a href="qsplitter.html">QSplitter</a>* splitter = new <a href="qsplitter.html">QSplitter</a>( this );
splitter-><a name="setOpaqueResize"></a><a href="qsplitter.html#28096e">setOpaqueResize</a>( TRUE );
setCentralWidget( splitter );
xtchild = new EncapsulatedXtWidget( splitter );
qtchild = new <a href="qmultilineedit.html">QMultiLineEdit</a>( splitter );
qtchild-><a name="setText"></a><a href="qmultilineedit.html#3fd8c1">setText</a>(QTEDMSG);
}
};
main(int argc, char** argv)
{
<a name="QXtApplication"></a><a href="qxtapplication.html">QXtApplication</a> app(argc, argv, "TwoEditors");
TwoEditors m;
app.<a name="setMainWidget"></a><a href="qapplication.html#7ad759">setMainWidget</a>(&m);
m.<a name="show"></a><a href="qmainwindow.html#eb53e3">show</a>();
return app.<a name="exec"></a><a href="qapplication.html#84c7bf">exec</a>();
}
</pre>
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<td>Copyright 2001 Trolltech<td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a>
<td align="right"><div align="right">Qt version 2.3.2</div>
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