431 lines
9.5 KiB
C
431 lines
9.5 KiB
C
/* gdkrobotpeer.c
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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#include "gtkpeer.h"
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#include "gnu_java_awt_peer_gtk_GdkRobotPeer.h"
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#ifdef HAVE_XTEST
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#include <gdk/gdkx.h>
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#include <X11/extensions/XTest.h>
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#endif
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#ifdef HAVE_XTEST
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static int
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awt_button_mask_to_num (int buttons)
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{
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switch (buttons)
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{
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case AWT_BUTTON1_MASK:
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return 1;
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case AWT_BUTTON2_MASK:
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return 2;
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case AWT_BUTTON3_MASK:
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return 3;
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}
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return 0;
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}
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#endif
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JNIEXPORT jboolean JNICALL
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Java_gnu_java_awt_peer_gtk_GdkRobotPeer_initXTest
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)))
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{
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#ifdef HAVE_XTEST
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GdkDisplay *display;
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Display *xdisplay;
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int event_basep;
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int error_basep;
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int majorp;
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int minorp;
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jboolean result;
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gdk_threads_enter ();
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display = gdk_display_get_default ();
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xdisplay = GDK_DISPLAY_XDISPLAY (display);
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result = XTestQueryExtension (xdisplay,
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&event_basep,
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&error_basep,
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&majorp,
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&minorp);
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gdk_threads_leave ();
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return result;
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#else
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return JNI_FALSE;
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#endif
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GdkRobotPeer_mouseMove
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint x, jint y)
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{
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#ifdef HAVE_XTEST
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GdkDisplay *display;
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Display *xdisplay;
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int result;
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gdk_threads_enter ();
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display = gdk_display_get_default ();
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xdisplay = GDK_DISPLAY_XDISPLAY (display);
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result = XTestFakeMotionEvent (xdisplay,
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-1,
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x, y, CurrentTime);
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XFlush (xdisplay);
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gdk_threads_leave ();
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#else
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(void) x; // Unused.
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(void) y; // Unused.
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#endif
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GdkRobotPeer_mousePress
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint buttons)
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{
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#ifdef HAVE_XTEST
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GdkDisplay *display;
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Display *xdisplay;
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int result;
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gdk_threads_enter ();
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display = gdk_display_get_default ();
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xdisplay = GDK_DISPLAY_XDISPLAY (display);
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result = XTestFakeButtonEvent (xdisplay,
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awt_button_mask_to_num (buttons),
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True, CurrentTime);
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XFlush (xdisplay);
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gdk_threads_leave ();
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#else
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(void) buttons; // Unused.
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#endif
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GdkRobotPeer_mouseRelease
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint buttons)
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{
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#ifdef HAVE_XTEST
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GdkDisplay *display;
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Display *xdisplay;
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int result;
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gdk_threads_enter ();
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display = gdk_display_get_default ();
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xdisplay = GDK_DISPLAY_XDISPLAY (display);
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result = XTestFakeButtonEvent (xdisplay,
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awt_button_mask_to_num (buttons),
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False, CurrentTime);
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XFlush (xdisplay);
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gdk_threads_leave ();
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#else
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(void) buttons; // Unused.
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#endif
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GdkRobotPeer_mouseWheel
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint wheelAmt)
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{
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#ifdef HAVE_XTEST
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GdkDisplay *display;
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Display *xdisplay;
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int i = 0;
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gdk_threads_enter ();
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display = gdk_display_get_default ();
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xdisplay = GDK_DISPLAY_XDISPLAY (display);
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if (wheelAmt < 0)
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for (i = 0; i < -wheelAmt; i++)
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{
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XTestFakeButtonEvent (xdisplay,
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4,
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True, CurrentTime);
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XTestFakeButtonEvent (xdisplay,
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4,
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False, CurrentTime);
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}
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else
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for (i = 0; i < wheelAmt; i++)
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{
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XTestFakeButtonEvent (xdisplay,
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5,
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True, CurrentTime);
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XTestFakeButtonEvent (xdisplay,
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5,
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False, CurrentTime);
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}
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XFlush (xdisplay);
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gdk_threads_leave ();
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#else
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(void) wheelAmt; // Unused.
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#endif
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GdkRobotPeer_keyPress
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint keycode)
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{
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#ifdef HAVE_XTEST
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GdkDisplay *display;
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Display *xdisplay;
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GdkKeymapKey *keymap_keys = NULL;
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gint n_keys = 0;
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guint lookup_keyval = 0;
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int result;
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gdk_threads_enter ();
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display = gdk_display_get_default ();
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xdisplay = GDK_DISPLAY_XDISPLAY (display);
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lookup_keyval = cp_gtk_awt_keycode_to_keysym (keycode,
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AWT_KEY_LOCATION_LEFT);
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if (!gdk_keymap_get_entries_for_keyval (gdk_keymap_get_default (),
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lookup_keyval,
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&keymap_keys,
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&n_keys))
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{
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/* No matching keymap entry was found. */
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g_printerr ("No matching keymap entries were found\n");
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gdk_threads_leave ();
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return;
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}
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/* If n_keys > 1 then there are multiple hardware keycodes that
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translate to lookup_keyval. We arbitrarily choose the first
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hardware keycode from the list returned by
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gdk_keymap_get_entries_for_keyval. */
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result = XTestFakeKeyEvent (xdisplay,
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keymap_keys[0].keycode,
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True, CurrentTime);
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g_free (keymap_keys);
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XFlush (xdisplay);
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gdk_threads_leave ();
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#else
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(void) keycode; // Unused.
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#endif
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}
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JNIEXPORT void JNICALL
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Java_gnu_java_awt_peer_gtk_GdkRobotPeer_keyRelease
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(JNIEnv *env __attribute__((unused)), jobject obj __attribute__((unused)), jint keycode)
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{
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#ifdef HAVE_XTEST
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GdkDisplay *display;
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Display *xdisplay;
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GdkKeymapKey *keymap_keys = NULL;
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gint n_keys = 0;
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guint lookup_keyval = 0;
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int result;
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gdk_threads_enter ();
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display = gdk_display_get_default ();
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xdisplay = GDK_DISPLAY_XDISPLAY (display);
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lookup_keyval = cp_gtk_awt_keycode_to_keysym (keycode,
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AWT_KEY_LOCATION_LEFT);
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if (!gdk_keymap_get_entries_for_keyval (gdk_keymap_get_default (),
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lookup_keyval,
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&keymap_keys,
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&n_keys))
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{
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/* No matching keymap entry was found. */
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g_printerr ("No matching keymap entries were found\n");
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gdk_threads_leave ();
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return;
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}
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/* If n_keys > 1 then there are multiple hardware keycodes that
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translate to lookup_keyval. We arbitrarily choose the first
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hardware keycode from the list returned by
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gdk_keymap_get_entries_for_keyval. */
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result = XTestFakeKeyEvent (xdisplay,
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keymap_keys[0].keycode,
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False, CurrentTime);
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g_free (keymap_keys);
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XFlush (xdisplay);
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gdk_threads_leave ();
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#else
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(void) keycode; // Unused.
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#endif
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}
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JNIEXPORT jintArray JNICALL
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Java_gnu_java_awt_peer_gtk_GdkRobotPeer_nativeGetRGBPixels
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(JNIEnv *env, jobject obj __attribute__((unused)), jint x, jint y,
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jint width, jint height)
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{
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#ifdef HAVE_XTEST
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jint stride_bytes, stride_pixels, n_channels, n_pixels;
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jintArray jpixels;
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jint *java_pixels;
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guchar *gdk_pixels;
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GdkPixbuf *pixbuf_no_alpha = NULL;
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GdkPixbuf *pixbuf = NULL;
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#ifndef WORDS_BIGENDIAN
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int i;
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#endif
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gdk_threads_enter ();
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pixbuf_no_alpha = gdk_pixbuf_get_from_drawable (NULL,
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gdk_get_default_root_window (),
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NULL, x, y, 0, 0,
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width, height);
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pixbuf = gdk_pixbuf_add_alpha(pixbuf_no_alpha, FALSE, 0, 0, 0);
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g_assert (gdk_pixbuf_get_has_alpha (pixbuf));
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stride_bytes = gdk_pixbuf_get_rowstride (pixbuf);
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n_channels = gdk_pixbuf_get_n_channels (pixbuf);
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stride_pixels = stride_bytes / n_channels;
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n_pixels = height * stride_pixels;
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gdk_pixels = gdk_pixbuf_get_pixels (pixbuf);
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jpixels = (*env)->NewIntArray (env, n_pixels);
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java_pixels = (*env)->GetIntArrayElements (env, jpixels, NULL);
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memcpy (java_pixels,
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gdk_pixels,
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(height * stride_bytes));
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#ifndef WORDS_BIGENDIAN
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/* convert pixels from 0xBBGGRRAA to 0xAARRGGBB */
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for (i = 0; i < n_pixels; ++i)
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{
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java_pixels[i] = SWAPU32 ((unsigned)java_pixels[i]);
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}
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#endif
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g_object_unref (pixbuf);
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(*env)->ReleaseIntArrayElements (env, jpixels, java_pixels, 0);
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gdk_threads_leave ();
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return jpixels;
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#else
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(void) env;
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(void) x;
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(void) y;
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(void) width;
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(void) height;
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return NULL;
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#endif
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}
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