mirror of
https://github.com/autc04/Retro68.git
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154 lines
3.3 KiB
C++
154 lines
3.3 KiB
C++
/* Copyright (C) 2000 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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#include <config.h>
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#include <platform.h>
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#include <gcj/javaprims.h>
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#include <jvm.h>
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#include <X11/Xlib.h>
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#include <gcj/cni.h>
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#include <gnu/gcj/RawData.h>
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#include <java/lang/RuntimeException.h>
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#include <java/lang/System.h>
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#include <java/io/PrintStream.h>
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#include <gnu/gcj/xlib/Display.h>
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#include <gnu/gcj/xlib/Window.h>
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#include <gnu/gcj/xlib/XAnyEvent.h>
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#include <gnu/gcj/xlib/XExposeEvent.h>
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#include <gnu/gcj/xlib/XException.h>
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#include <unistd.h>
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#include <posix.h>
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void gnu::gcj::xlib::XAnyEvent::init()
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{
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::XEvent* event = new ::XEvent;
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int *pipes = new int[2];
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pipe(pipes);
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structure = reinterpret_cast<gnu::gcj::RawData*>(event);
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pipefds = reinterpret_cast<gnu::gcj::RawData*>(pipes);
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}
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void gnu::gcj::xlib::XAnyEvent::finalize()
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{
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delete structure;
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int *pipe = reinterpret_cast<int *>(pipefds);
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close(pipe[0]);
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close(pipe[1]);
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delete [] pipefds;
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pipefds = 0;
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structure = 0;
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}
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jboolean gnu::gcj::xlib::XAnyEvent::loadNext(jboolean block)
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{
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::Display* dpy = (::Display*) display->display;
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::XEvent* evt = (::XEvent*) structure;
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if (XPending(dpy))
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{
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XNextEvent(dpy, evt);
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return true;
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}
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if (!block)
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return false;
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int *pipe = reinterpret_cast<int *>(pipefds);
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int xfd = XConnectionNumber(dpy);
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int pipefd = pipe[0];
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int n = (xfd > pipefd ? xfd : pipefd) + 1;
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fd_set rfds;
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FD_ZERO(&rfds);
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FD_SET(xfd, &rfds);
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FD_SET(pipefd, &rfds);
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int sel = _Jv_select (n, &rfds, NULL, NULL, NULL);
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if (sel > 0)
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{
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if (FD_ISSET(xfd, &rfds))
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{
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XNextEvent(dpy, evt);
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return true;
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}
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if (FD_ISSET(pipefd, &rfds))
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{
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char c;
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read(pipefd, &c, 1);
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}
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}
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return false;
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}
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void gnu::gcj::xlib::XAnyEvent::interrupt()
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{
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int *pipe = reinterpret_cast<int *>(pipefds);
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write(pipe[1], "W", 1);
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}
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jint gnu::gcj::xlib::XAnyEvent::getType()
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{
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::XEvent* event = (::XEvent*) structure;
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return event->type;
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}
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void gnu::gcj::xlib::XAnyEvent::setType(jint type)
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{
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::XEvent* event = (::XEvent*) structure;
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event->type = type;
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}
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gnu::gcj::xlib::Window* gnu::gcj::xlib::XAnyEvent::getWindow()
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{
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::XEvent* event = (::XEvent*) structure;
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return display->getWindow(event->xany.window);
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}
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void gnu::gcj::xlib::XAnyEvent::setWindow(gnu::gcj::xlib::Window* window)
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{
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::XEvent* event = (::XEvent*) structure;
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event->xany.window = window->getXID();
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}
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jlong gnu::gcj::xlib::XAnyEvent::getSerial()
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{
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::XEvent* event = (::XEvent*) structure;
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return event->xany.serial;
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}
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void gnu::gcj::xlib::XAnyEvent::send(gnu::gcj::xlib::Window* destination,
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jboolean propagate, jlong mask)
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{
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::Display* dpy = (::Display*) display->display;
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::XEvent* event = (::XEvent*) structure;
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Status status =
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XSendEvent(dpy, destination->getXID(), propagate ? True : False,
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mask, event);
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switch (status)
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{
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case 0:
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throw new XException(JvNewStringLatin1("conversion to wire "
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"protocol failed"));
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case BadWindow:
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case BadValue:
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throw new XException(display, status);
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default:
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/* All other return values indicate success. Ie. (status ==
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1) indicates success, not BadRequest. */
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; // NOP
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}
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}
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