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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - mainlyXt/editor.cpp example file</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align=center>Editor Example</h1> <p> This example shows two simple text editors, with most of the program written in Xt. One editor is a Qt QMultiLineEdit, the other is an Athena Widgets text widget. They are bound together in an Xt form widget.<pre>#include "<a name="qxt.h"></a><a href="qxt-h.html">qxt.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 <X11/Shell.h>#include <X11/StringDefs.h>#include <X11/Xaw/Form.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 EncapsulatedQtWidget : public QXtWidget {public: <a name="QMultiLineEdit"></a><a href="qmultilineedit.html">QMultiLineEdit</a>* mle; EncapsulatedQtWidget(Widget parent) : <a name="QXtWidget"></a><a href="qxtwidget.html">QXtWidget</a>("editor", parent, TRUE) { mle = new <a href="qmultilineedit.html">QMultiLineEdit</a>(this); mle-><a name="setText"></a><a href="qmultilineedit.html#3fd8c1">setText</a>(QTEDMSG); } 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 ); mle-><a name="resize"></a><a href="qwidget.html#ff9d07">resize</a>(width(),height()); }};main(int argc, char** argv){ XtAppContext app; Widget toplevel = XtAppInitialize( &app, "Editors", 0, 0, &argc, argv, 0, 0, 0); <a name="QXtApplication"></a><a href="qxtapplication.html">QXtApplication</a> qapp(XtDisplay(toplevel)); Widget form = XtVaCreateManagedWidget("form", formWidgetClass, toplevel, 0); EncapsulatedQtWidget qtchild(form); Arg args[20]; Cardinal nargs=0; XtSetArg(args[nargs], XtNwidth, 200); nargs++; XtSetArg(args[nargs], XtNheight, 200); nargs++; XtSetValues(qtchild.<a name="xtWidget"></a><a href="qxtwidget.html#a2c32d">xtWidget</a>(), args, nargs); nargs=0; XtSetArg(args[nargs], XtNeditType, XawtextEdit); nargs++; XtSetArg(args[nargs], XtNstring, XTEDMSG); nargs++; XtSetArg(args[nargs], XtNwidth, 200); nargs++; XtSetArg(args[nargs], XtNheight, 200); nargs++; XtSetArg(args[nargs], XtNfromHoriz, qtchild.<a href="qxtwidget.html#a2c32d">xtWidget</a>()); nargs++; Widget xtchild = XtCreateManagedWidget("editor", asciiTextWidgetClass, form, args, nargs); XtRealizeWidget(toplevel);// XSetInputFocus( qt_xdisplay(), qtchild.mle->winId(), RevertToParent, CurrentTime ); //XtAppMainLoop(app); // or the equivalent: XEvent xe; while (1) { XtAppNextEvent(app, &xe); XtDispatchEvent(&xe); }}</pre><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright ⌨️ 快捷键说明
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